diff --git a/glances/plugins/glances_alert.py b/glances/plugins/glances_alert.py
index 1bafda9e13e822ecade5732170f82b00808731f1..a6a59238e017c3a66a1ca7b4cd19234c44d082a4 100644
--- a/glances/plugins/glances_alert.py
+++ b/glances/plugins/glances_alert.py
@@ -23,7 +23,7 @@ from datetime import datetime
 
 from glances.logs import glances_logs
 from glances.thresholds import glances_thresholds
-from glances.logger import logger
+# from glances.logger import logger
 from glances.plugins.glances_plugin import GlancesPlugin
 
 # Static decision tree for the global alert message
@@ -61,8 +61,10 @@ tree = [{'msg': 'No warning or critical alert detected',
 
 
 def global_message():
-    """Parse the decision tree and return the message
-    corresponding to the current threasholds values"""
+    """Parse the decision tree and return the message.
+
+    Note: message corresponding to the current threasholds values
+    """
     # Compute the weight for each item in the tree
     current_thresholds = glances_thresholds.get()
     for i in tree:
@@ -76,7 +78,6 @@ def global_message():
 
 
 class Plugin(GlancesPlugin):
-
     """Glances alert plugin.
 
     Only for display.
diff --git a/glances/plugins/glances_amps.py b/glances/plugins/glances_amps.py
index afa218c1b554d604d3a360803d21405ab6eb7ae9..6270864e2686bff3288dc8f79382beb9968d9e7a 100644
--- a/glances/plugins/glances_amps.py
+++ b/glances/plugins/glances_amps.py
@@ -25,7 +25,6 @@ from glances.plugins.glances_plugin import GlancesPlugin
 
 
 class Plugin(GlancesPlugin):
-
     """Glances AMPs plugin."""
 
     def __init__(self, args=None, config=None):
diff --git a/glances/plugins/glances_batpercent.py b/glances/plugins/glances_batpercent.py
index 0891e8a6cde23250443530f43c9cf31547c2669b..161958be4cc8a8a750cd1d1dc0fe267bf05fd51d 100644
--- a/glances/plugins/glances_batpercent.py
+++ b/glances/plugins/glances_batpercent.py
@@ -42,7 +42,6 @@ except AttributeError:
 
 
 class Plugin(GlancesPlugin):
-
     """Glances battery capacity plugin.
 
     stats is a list
@@ -87,7 +86,6 @@ class Plugin(GlancesPlugin):
 
 
 class GlancesGrabBat(object):
-
     """Get batteries stats using the batinfo library."""
 
     def __init__(self):
diff --git a/glances/plugins/glances_cloud.py b/glances/plugins/glances_cloud.py
index 5a59764fe6a993e8fca62ed2e05f1e8913c37d20..430fd01eaf036ae35c8e497a614e09b8079140c0 100644
--- a/glances/plugins/glances_cloud.py
+++ b/glances/plugins/glances_cloud.py
@@ -38,7 +38,6 @@ from glances.logger import logger
 
 
 class Plugin(GlancesPlugin):
-
     """Glances' cloud plugin.
 
     The goal of this plugin is to retreive additional information
@@ -70,7 +69,7 @@ class Plugin(GlancesPlugin):
         self.stats = {}
 
     def exit(self):
-        """Overwrite the exit method to close threads"""
+        """Overwrite the exit method to close threads."""
         self.aws_ec2.stop()
         # Call the father class
         super(Plugin, self).exit()
@@ -137,7 +136,7 @@ class ThreadAwsEc2Grabber(threading.Thread):
                             'region': 'placement/availability-zone'}
 
     def __init__(self):
-        """Init the class"""
+        """Init the class."""
         logger.debug("cloud plugin - Create thread for AWS EC2")
         super(ThreadAwsEc2Grabber, self).__init__()
         # Event needed to stop properly the thread
@@ -146,9 +145,10 @@ class ThreadAwsEc2Grabber(threading.Thread):
         self._stats = {}
 
     def run(self):
-        """Function called to grab stats.
-        Infinite loop, should be stopped by calling the stop() method"""
+        """Grab plugin's stats.
 
+        Infinite loop, should be stopped by calling the stop() method
+        """
         if not cloud_tag:
             logger.debug("cloud plugin - Requests lib is not installed")
             self.stop()
@@ -170,19 +170,19 @@ class ThreadAwsEc2Grabber(threading.Thread):
 
     @property
     def stats(self):
-        """Stats getter"""
+        """Stats getter."""
         return self._stats
 
     @stats.setter
     def stats(self, value):
-        """Stats setter"""
+        """Stats setter."""
         self._stats = value
 
     def stop(self, timeout=None):
-        """Stop the thread"""
+        """Stop the thread."""
         logger.debug("cloud plugin - Close thread for AWS EC2")
         self._stopper.set()
 
     def stopped(self):
-        """Return True is the thread is stopped"""
+        """Return True is the thread is stopped."""
         return self._stopper.isSet()
diff --git a/glances/plugins/glances_core.py b/glances/plugins/glances_core.py
index 7fefd3bf9cb571170ea68b49453283bc5cc5be67..98ec138394893447d57c9f2e517fe192edfe53c0 100644
--- a/glances/plugins/glances_core.py
+++ b/glances/plugins/glances_core.py
@@ -25,7 +25,6 @@ import psutil
 
 
 class Plugin(GlancesPlugin):
-
     """Glances CPU core plugin.
 
     Get stats about CPU core number.
diff --git a/glances/plugins/glances_cpu.py b/glances/plugins/glances_cpu.py
index 5bdbb6d101526f613d415a424c960cd401775460..705e650d2a6c7dcff38355262477d8d0e2329332 100644
--- a/glances/plugins/glances_cpu.py
+++ b/glances/plugins/glances_cpu.py
@@ -57,7 +57,6 @@ items_history_list = [{'name': 'user',
 
 
 class Plugin(GlancesPlugin):
-
     """Glances CPU plugin.
 
     'stats' is a dictionary that contains the system-wide CPU utilization as a
@@ -88,7 +87,6 @@ class Plugin(GlancesPlugin):
     @GlancesPlugin._log_result_decorator
     def update(self):
         """Update CPU stats using the input method."""
-
         # Reset stats
         self.reset()
 
diff --git a/glances/plugins/glances_diskio.py b/glances/plugins/glances_diskio.py
index 308d610dd45d71810e94e7d7b9a103c02bd4c916..f6ce21b2c50311145884cf0199e95d1c4698e621 100644
--- a/glances/plugins/glances_diskio.py
+++ b/glances/plugins/glances_diskio.py
@@ -41,7 +41,6 @@ items_history_list = [{'name': 'read_bytes',
 
 
 class Plugin(GlancesPlugin):
-
     """Glances disks I/O plugin.
 
     stats is a list
diff --git a/glances/plugins/glances_docker.py b/glances/plugins/glances_docker.py
index 0e178b356d41b638609a8be6e1e9889e55b27836..b88f4cd367da9523e19c2315eea390057bb93bc1 100644
--- a/glances/plugins/glances_docker.py
+++ b/glances/plugins/glances_docker.py
@@ -40,7 +40,6 @@ else:
 
 
 class Plugin(GlancesPlugin):
-
     """Glances Docker plugin.
 
     stats is a dict: {'version': {...}, 'containers': [{}, {}]}
@@ -68,7 +67,7 @@ class Plugin(GlancesPlugin):
         self.reset()
 
     def exit(self):
-        """Overwrite the exit method to close threads"""
+        """Overwrite the exit method to close threads."""
         for t in itervalues(self.thread_list):
             t.stop()
         # Call the father class
@@ -105,7 +104,7 @@ class Plugin(GlancesPlugin):
         self.stats = {}
 
     def _all_tag(self):
-        """Return the all tag of the Glances/Docker configuration file
+        """Return the all tag of the Glances/Docker configuration file.
 
         # By default, Glances only display running containers
         # Set the following key to True to display all containers
@@ -121,7 +120,6 @@ class Plugin(GlancesPlugin):
     @GlancesPlugin._log_result_decorator
     def update(self):
         """Update Docker stats using the input method."""
-
         # Reset stats
         self.reset()
 
@@ -410,8 +408,10 @@ class Plugin(GlancesPlugin):
         return os.sysconf(os.sysconf_names['SC_CLK_TCK'])
 
     def get_stats_action(self):
-        """Return stats for the action
-        Docker will return self.stats['containers']"""
+        """Return stats for the action.
+
+        Docker will return self.stats['containers']
+        """
         return self.stats['containers']
 
     def update_views(self):
@@ -587,7 +587,8 @@ class ThreadDockerGrabber(threading.Thread):
     """
 
     def __init__(self, container):
-        """Init the class:
+        """Init the class.
+
         container: instance of Docker-py Container
         """
         super(ThreadDockerGrabber, self).__init__()
@@ -601,9 +602,10 @@ class ThreadDockerGrabber(threading.Thread):
         logger.debug("docker plugin - Create thread for container {}".format(self._container.name))
 
     def run(self):
-        """Function called to grab stats.
-        Infinite loop, should be stopped by calling the stop() method"""
+        """Grab the stats.
 
+        Infinite loop, should be stopped by calling the stop() method
+        """
         for i in self._stats_stream:
             self._stats = i
             time.sleep(0.1)
@@ -612,19 +614,19 @@ class ThreadDockerGrabber(threading.Thread):
 
     @property
     def stats(self):
-        """Stats getter"""
+        """Stats getter."""
         return self._stats
 
     @stats.setter
     def stats(self, value):
-        """Stats setter"""
+        """Stats setter."""
         self._stats = value
 
     def stop(self, timeout=None):
-        """Stop the thread"""
+        """Stop the thread."""
         logger.debug("docker plugin - Close thread for container {}".format(self._container.name))
         self._stopper.set()
 
     def stopped(self):
-        """Return True is the thread is stopped"""
+        """Return True is the thread is stopped."""
         return self._stopper.isSet()
diff --git a/glances/plugins/glances_folders.py b/glances/plugins/glances_folders.py
index 3b17a227a84d6572bd06f6e3ec6c7df13dae91d7..2704a74cecb37ab3141c6b0c230dad9ae5beff9d 100644
--- a/glances/plugins/glances_folders.py
+++ b/glances/plugins/glances_folders.py
@@ -26,7 +26,6 @@ from glances.plugins.glances_plugin import GlancesPlugin
 
 
 class Plugin(GlancesPlugin):
-
     """Glances folder plugin."""
 
     def __init__(self, args=None):
@@ -76,8 +75,7 @@ class Plugin(GlancesPlugin):
         return self.stats
 
     def get_alert(self, stat):
-        """Manage limits of the folder list"""
-
+        """Manage limits of the folder list."""
         if not isinstance(stat['size'], numbers.Number):
             return 'DEFAULT'
         else:
diff --git a/glances/plugins/glances_fs.py b/glances/plugins/glances_fs.py
index ce86d9bb135f4c9742a5708bd813b58a13aaec42..cb3d7459ab8b8f264484ce78313f4699703a6ca5 100644
--- a/glances/plugins/glances_fs.py
+++ b/glances/plugins/glances_fs.py
@@ -66,7 +66,6 @@ items_history_list = [{'name': 'percent',
 
 
 class Plugin(GlancesPlugin):
-
     """Glances file system plugin.
 
     stats is a list
diff --git a/glances/plugins/glances_gpu.py b/glances/plugins/glances_gpu.py
index 24a3c9897330a37dbdea018e063c701c3bf825cd..33518f28bf976d0a8e204996a36a43253ea538b3 100644
--- a/glances/plugins/glances_gpu.py
+++ b/glances/plugins/glances_gpu.py
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-"""GPU plugin (limited to NVIDIA chipsets)"""
+"""GPU plugin (limited to NVIDIA chipsets)."""
 
 from glances.compat import nativestr
 from glances.logger import logger
@@ -34,14 +34,13 @@ else:
 
 
 class Plugin(GlancesPlugin):
-
     """Glances GPU plugin (limited to NVIDIA chipsets).
 
     stats is a list of dictionaries with one entry per GPU
     """
 
     def __init__(self, args=None):
-        """Init the plugin"""
+        """Init the plugin."""
         super(Plugin, self).__init__(args=args)
 
         # Init the NVidia API
@@ -58,7 +57,7 @@ class Plugin(GlancesPlugin):
         self.stats = []
 
     def init_nvidia(self):
-        """Init the NVIDIA API"""
+        """Init the NVIDIA API."""
         if not gpu_nvidia_tag:
             self.nvml_ready = False
 
@@ -79,8 +78,7 @@ class Plugin(GlancesPlugin):
     @GlancesPlugin._check_decorator
     @GlancesPlugin._log_result_decorator
     def update(self):
-        """Update the GPU stats"""
-
+        """Update the GPU stats."""
         self.reset()
 
         # !!! JUST FOR TEST
@@ -212,7 +210,7 @@ class Plugin(GlancesPlugin):
         return ret
 
     def get_device_stats(self):
-        """Get GPU stats"""
+        """Get GPU stats."""
         stats = []
 
         for index, device_handle in enumerate(self.device_handles):
@@ -232,7 +230,7 @@ class Plugin(GlancesPlugin):
         return stats
 
     def exit(self):
-        """Overwrite the exit method to close the GPU API"""
+        """Overwrite the exit method to close the GPU API."""
         if self.nvml_ready:
             try:
                 pynvml.nvmlShutdown()
@@ -244,14 +242,15 @@ class Plugin(GlancesPlugin):
 
 
 def get_device_handles():
-    """
-    Returns a list of NVML device handles, one per device.  Can throw NVMLError.
+    """Get a list of NVML device handles, one per device.
+
+    Can throw NVMLError.
     """
     return [pynvml.nvmlDeviceGetHandleByIndex(i) for i in range(pynvml.nvmlDeviceGetCount())]
 
 
 def get_device_name(device_handle):
-    """Get GPU device name"""
+    """Get GPU device name."""
     try:
         return nativestr(pynvml.nvmlDeviceGetName(device_handle))
     except pynvml.NVMlError:
@@ -259,7 +258,7 @@ def get_device_name(device_handle):
 
 
 def get_mem(device_handle):
-    """Get GPU device memory consumption in percent"""
+    """Get GPU device memory consumption in percent."""
     try:
         memory_info = pynvml.nvmlDeviceGetMemoryInfo(device_handle)
         return memory_info.used * 100.0 / memory_info.total
@@ -268,7 +267,7 @@ def get_mem(device_handle):
 
 
 def get_proc(device_handle):
-    """Get GPU device CPU consumption in percent"""
+    """Get GPU device CPU consumption in percent."""
     try:
         return pynvml.nvmlDeviceGetUtilizationRates(device_handle).gpu
     except pynvml.NVMLError:
diff --git a/glances/plugins/glances_hddtemp.py b/glances/plugins/glances_hddtemp.py
index eabe5af63d7cbad59c07f3fbd7379dcdb1d84436..dccf67b42d9a7500216d01ec10c0b8c270b34237 100644
--- a/glances/plugins/glances_hddtemp.py
+++ b/glances/plugins/glances_hddtemp.py
@@ -28,7 +28,6 @@ from glances.plugins.glances_plugin import GlancesPlugin
 
 
 class Plugin(GlancesPlugin):
-
     """Glances HDD temperature sensors plugin.
 
     stats is a list
@@ -72,7 +71,6 @@ class Plugin(GlancesPlugin):
 
 
 class GlancesGrabHDDTemp(object):
-
     """Get hddtemp stats using a socket connection."""
 
     def __init__(self, host='127.0.0.1', port=7634, args=None):
diff --git a/glances/plugins/glances_help.py b/glances/plugins/glances_help.py
index 9103251258cdbd04fe0a73949c3663d6cfa75c0a..c7701445bd8b3547eb894e8f097d8583d25efb6b 100644
--- a/glances/plugins/glances_help.py
+++ b/glances/plugins/glances_help.py
@@ -28,7 +28,6 @@ from glances.plugins.glances_plugin import GlancesPlugin
 
 
 class Plugin(GlancesPlugin):
-
     """Glances help plugin."""
 
     def __init__(self, args=None, config=None):
@@ -54,6 +53,7 @@ class Plugin(GlancesPlugin):
         pass
 
     def generate_view_data(self):
+        """Generate the views."""
         self.view_data['version'] = '{} {}'.format('Glances', __version__)
         self.view_data['psutil_version'] = ' with PSutil {}'.format(psutil_version)
 
@@ -103,6 +103,7 @@ class Plugin(GlancesPlugin):
         self.view_data['edit_pattern_filter'] = 'ENTER: Edit the process filter pattern'
 
     def get_view_data(self, args=None):
+        """Return the view."""
         return self.view_data
 
     def msg_curse(self, args=None):
diff --git a/glances/plugins/glances_ip.py b/glances/plugins/glances_ip.py
index 160baa578ea3caa16142e5f917dcc8f707797e00..12657c810d57fc1b4e360797deb5837c5c096316 100644
--- a/glances/plugins/glances_ip.py
+++ b/glances/plugins/glances_ip.py
@@ -52,7 +52,6 @@ urls = [('http://ip.42.pl/raw', False, None),
 
 
 class Plugin(GlancesPlugin):
-
     """Glances IP Plugin.
 
     stats is a dict
@@ -159,13 +158,14 @@ class Plugin(GlancesPlugin):
 
 
 class PublicIpAddress(object):
-    """Get public IP address from online services"""
+    """Get public IP address from online services."""
 
     def __init__(self, timeout=2):
+        """Init the class."""
         self.timeout = timeout
 
     def get(self):
-        """Get the first public IP address returned by one of the online services"""
+        """Get the first public IP address returned by one of the online services."""
         q = queue.Queue()
 
         for u, j, k in urls:
@@ -182,7 +182,7 @@ class PublicIpAddress(object):
         return ip
 
     def _get_ip_public(self, queue_target, url, json=False, key=None):
-        """Request the url service and put the result in the queue_target"""
+        """Request the url service and put the result in the queue_target."""
         try:
             response = urlopen(url, timeout=self.timeout).read().decode('utf-8')
         except Exception as e:
diff --git a/glances/plugins/glances_irq.py b/glances/plugins/glances_irq.py
index 606c7a1a5e7099dd19b88d7b2360bb231cd18dfb..1ade5b35c5b88fd9710954fbf4b688bc01ecb7a5 100644
--- a/glances/plugins/glances_irq.py
+++ b/glances/plugins/glances_irq.py
@@ -28,7 +28,6 @@ from glances.plugins.glances_plugin import GlancesPlugin
 
 
 class Plugin(GlancesPlugin):
-
     """Glances IRQ plugin.
 
     stats is a list
@@ -56,8 +55,7 @@ class Plugin(GlancesPlugin):
     @GlancesPlugin._check_decorator
     @GlancesPlugin._log_result_decorator
     def update(self):
-        """Update the IRQ stats"""
-
+        """Update the IRQ stats."""
         # Reset the list
         self.reset()
 
@@ -117,27 +115,25 @@ class Plugin(GlancesPlugin):
 
 
 class GlancesIRQ(object):
-    """
-    This class manages the IRQ file
-    """
+    """This class manages the IRQ file."""
 
     IRQ_FILE = '/proc/interrupts'
 
     def __init__(self):
-        """
-        Init the class
+        """Init the class.
+
         The stat are stored in a internal list of dict
         """
         self.lasts = {}
         self.reset()
 
     def reset(self):
-        """Reset the stats"""
+        """Reset the stats."""
         self.stats = []
         self.cpu_number = 0
 
     def get(self):
-        """Return the current IRQ stats"""
+        """Return the current IRQ stats."""
         return self.__update()
 
     def get_key(self):
@@ -145,7 +141,7 @@ class GlancesIRQ(object):
         return 'irq_line'
 
     def __header(self, line):
-        """The header contain the number of CPU
+        """Build the header (contain the number of CPU).
 
         CPU0       CPU1       CPU2       CPU3
         0:         21          0          0          0   IO-APIC   2-edge      timer
@@ -154,8 +150,7 @@ class GlancesIRQ(object):
         return self.cpu_number
 
     def __humanname(self, line):
-        """Get a line and
-        Return the IRQ name, alias or number (choose the best for human)
+        """Return the IRQ name, alias or number (choose the best for human).
 
         IRQ line samples:
         1:      44487        341         44         72   IO-APIC   1-edge      i8042
@@ -169,8 +164,7 @@ class GlancesIRQ(object):
         return irq_line
 
     def __sum(self, line):
-        """Get a line and
-        Return the IRQ sum number
+        """Return the IRQ sum number.
 
         IRQ line samples:
         1:     44487        341         44         72   IO-APIC   1-edge      i8042
@@ -186,10 +180,7 @@ class GlancesIRQ(object):
         return ret
 
     def __update(self):
-        """
-        Load the IRQ file and update the internal dict
-        """
-
+        """Load the IRQ file and update the internal dict."""
         self.reset()
 
         if not os.path.exists(self.IRQ_FILE):
diff --git a/glances/plugins/glances_load.py b/glances/plugins/glances_load.py
index b1e0d0ea4bc412de52353db1f5ec9c9ac6294f1c..9246894c91b6d1233a1a63fe50f49c90816a530a 100644
--- a/glances/plugins/glances_load.py
+++ b/glances/plugins/glances_load.py
@@ -48,7 +48,6 @@ items_history_list = [{'name': 'min1',
 
 
 class Plugin(GlancesPlugin):
-
     """Glances load plugin.
 
     stats is a dict
diff --git a/glances/plugins/glances_mem.py b/glances/plugins/glances_mem.py
index eaebfa97f984bd9e3f7d55299e3f998c2704ff48..d6bf6a4c8b4979fcb3d6e814725827017dbe8de3 100644
--- a/glances/plugins/glances_mem.py
+++ b/glances/plugins/glances_mem.py
@@ -56,7 +56,6 @@ items_history_list = [{'name': 'percent',
 
 
 class Plugin(GlancesPlugin):
-
     """Glances' memory plugin.
 
     stats is a dict
diff --git a/glances/plugins/glances_memswap.py b/glances/plugins/glances_memswap.py
index ec8f7bee2c09d5d86303f6913d55f01d4c5bb197..4ba1849d66e750f74f17d86e14c4318aed407fc0 100644
--- a/glances/plugins/glances_memswap.py
+++ b/glances/plugins/glances_memswap.py
@@ -44,7 +44,6 @@ items_history_list = [{'name': 'percent',
 
 
 class Plugin(GlancesPlugin):
-
     """Glances swap memory plugin.
 
     stats is a dict
diff --git a/glances/plugins/glances_network.py b/glances/plugins/glances_network.py
index d6fef25d0695c4493ed31761feb0368544858102..d05f54e189a5c129ad760ecdccf9f000df2be8e0 100644
--- a/glances/plugins/glances_network.py
+++ b/glances/plugins/glances_network.py
@@ -48,7 +48,6 @@ items_history_list = [{'name': 'rx',
 
 
 class Plugin(GlancesPlugin):
-
     """Glances network plugin.
 
     stats is a list
diff --git a/glances/plugins/glances_now.py b/glances/plugins/glances_now.py
index 52c6b3626ddc4ee1cd5936be012e1afec015fa8f..9818247cb5b4697b0077d170aa88953722d68d8c 100644
--- a/glances/plugins/glances_now.py
+++ b/glances/plugins/glances_now.py
@@ -17,13 +17,14 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
+"""Now (current date) plugin."""
+
 from datetime import datetime
 
 from glances.plugins.glances_plugin import GlancesPlugin
 
 
 class Plugin(GlancesPlugin):
-
     """Plugin to get the current date/time.
 
     stats is (string)
diff --git a/glances/plugins/glances_percpu.py b/glances/plugins/glances_percpu.py
index 3bc4e558743ea6da6d84451ee15941ef9f510153..c9c4f3301b8c7882ad8c6513e73613dc6c4c45ef 100644
--- a/glances/plugins/glances_percpu.py
+++ b/glances/plugins/glances_percpu.py
@@ -24,7 +24,6 @@ from glances.plugins.glances_plugin import GlancesPlugin
 
 
 class Plugin(GlancesPlugin):
-
     """Glances per-CPU plugin.
 
     'stats' is a list of dictionaries that contain the utilization percentages
diff --git a/glances/plugins/glances_plugin.py b/glances/plugins/glances_plugin.py
index ffeb7a17f3bd1124ce49e3e70aacfdd9371f7170..5dbf28ec85727d6fa1fdd1cf16c2baa1b2d6fe82 100644
--- a/glances/plugins/glances_plugin.py
+++ b/glances/plugins/glances_plugin.py
@@ -36,7 +36,6 @@ from glances.thresholds import glances_thresholds
 
 
 class GlancesPlugin(object):
-
     """Main class for Glances plugin."""
 
     def __init__(self, args=None, items_history_list=None):
@@ -61,7 +60,6 @@ class GlancesPlugin(object):
         :args: args parameters
         :items_history_list: list of items to store in the history
         """
-
         # Plugin name (= module name without glances_)
         self.plugin_name = self.__class__.__module__[len('glances_'):]
         # logger.debug("Init plugin %s" % self.plugin_name)
@@ -103,11 +101,13 @@ class GlancesPlugin(object):
 
     def reset(self):
         """Reset the stats.
-        This method should be overwrited by childs' classes"""
+
+        This method should be overwrited by childs' classes.
+        """
         self.stats = None
 
     def exit(self):
-        """Method to be called when Glances exit"""
+        """Just log an event when Glances exit."""
         logger.debug("Stop the {} plugin".format(self.plugin_name))
 
     def get_key(self):
@@ -115,7 +115,7 @@ class GlancesPlugin(object):
         return None
 
     def is_enable(self):
-        """Return true if plugin is enabled"""
+        """Return true if plugin is enabled."""
         try:
             d = getattr(self.args, 'disable_' + self.plugin_name)
         except AttributeError:
@@ -124,12 +124,14 @@ class GlancesPlugin(object):
             return d is False
 
     def is_disable(self):
-        """Return true if plugin is disabled"""
+        """Return true if plugin is disabled."""
         return not self.is_enable()
 
     def _json_dumps(self, d):
-        """Return the object 'd' in a JSON format
-        Manage the issue #815 for Windows OS"""
+        """Return the object 'd' in a JSON format.
+
+        Manage the issue #815 for Windows OS
+        """
         try:
             return json.dumps(d)
         except UnicodeDecodeError:
@@ -185,11 +187,13 @@ class GlancesPlugin(object):
         return self.items_history_list
 
     def get_raw_history(self, item=None, nb=0):
-        """Return
+        """Return the history (RAW format).
+
         - the stats history (dict of list) if item is None
         - the stats history for the given item (list) instead
         - None if item did not exist in the history
-        Limit to lasts nb items (all if nb=0)"""
+        Limit to lasts nb items (all if nb=0)
+        """
         s = self.stats_history.get(nb=nb)
         if item is None:
             return s
@@ -200,11 +204,13 @@ class GlancesPlugin(object):
                 return None
 
     def get_json_history(self, item=None, nb=0):
-        """Return:
+        """Return the history (JSON format).
+
         - the stats history (dict of list) if item is None
         - the stats history for the given item (list) instead
         - None if item did not exist in the history
-        Limit to lasts nb items (all if nb=0)"""
+        Limit to lasts nb items (all if nb=0)
+        """
         s = self.stats_history.get_json(nb=nb)
         if item is None:
             return s
@@ -216,12 +222,16 @@ class GlancesPlugin(object):
 
     def get_export_history(self, item=None):
         """Return the stats history object to export.
-        See get_raw_history for a full description"""
+
+        See get_raw_history for a full description
+        """
         return self.get_raw_history(item=item)
 
     def get_stats_history(self, item=None, nb=0):
-        """Return the stats history as a JSON object (dict or None).
-        Limit to lasts nb items (all if nb=0)"""
+        """Return the stats history (JSON format).
+
+        Limit to lasts nb items (all if nb=0)
+        """
         s = self.get_json_history(nb=nb)
 
         if item is None:
@@ -245,7 +255,8 @@ class GlancesPlugin(object):
             return None
 
     def get_trend(self, item, nb=6):
-        """Get the trend regarding to the last nb values
+        """Get the trend regarding to the last nb values.
+
         The trend is the diff between the mean of the last nb values
         and the current one.
         """
@@ -391,7 +402,7 @@ class GlancesPlugin(object):
                 return None
 
     def update_views(self):
-        """Default builder fo the stats views.
+        """Update the stats views.
 
         The V of MVC
         A dict of dict with the needed information to display the stats.
@@ -458,12 +469,11 @@ class GlancesPlugin(object):
                     return 'DEFAULT'
 
     def get_json_views(self, item=None, key=None, option=None):
-        """Return views in JSON"""
+        """Return the views (in JSON)."""
         return self._json_dumps(self.get_views(item, key, option))
 
     def load_limits(self, config):
         """Load limits from the configuration file, if it exists."""
-
         # By default set the history length to 3 points per second during one day
         self._limits['history_size'] = 28800
 
@@ -499,10 +509,12 @@ class GlancesPlugin(object):
         self._limits = input_limits
 
     def get_stats_action(self):
-        """Return stats for the action
+        """Return stats for the action.
+
         By default return all the stats.
         Can be overwrite by plugins implementation.
-        For example, Docker will return self.stats['containers']"""
+        For example, Docker will return self.stats['containers']
+        """
         return self.stats
 
     def get_alert(self,
@@ -589,7 +601,7 @@ class GlancesPlugin(object):
     def manage_threshold(self,
                          stat_name,
                          trigger):
-        """Manage the threshold for the current stat"""
+        """Manage the threshold for the current stat."""
         glances_thresholds.add(stat_name, trigger)
         # logger.info(glances_thresholds.get())
 
@@ -598,7 +610,7 @@ class GlancesPlugin(object):
                       trigger,
                       header,
                       action_key):
-        """Manage the action for the current stat"""
+        """Manage the action for the current stat."""
         # Here is a command line for the current trigger ?
         try:
             command, repeat = self.get_limit_action(trigger, stat_name=stat_name)
@@ -661,8 +673,10 @@ class GlancesPlugin(object):
 
     def get_limit_action(self, criticity, stat_name=""):
         """Return the tuple (action, repeat) for the alert.
+
         - action is a command line
-        - repeat is a bool"""
+        - repeat is a bool
+        """
         # Get the action for stat + header
         # Exemple: network_wlan0_rx_careful_action
         # Action key available ?
@@ -714,8 +728,8 @@ class GlancesPlugin(object):
             return []
 
     def is_hide(self, value, header=""):
-        """
-        Return True if the value is in the hide configuration list.
+        """Return True if the value is in the hide configuration list.
+
         The hide configuration list is defined in the glances.conf file.
         It is a comma separed list of regexp.
         Example for diskio:
@@ -818,8 +832,6 @@ class GlancesPlugin(object):
         """Make a nice human-readable string out of number.
 
         Number of decimal places increases as quantity approaches 1.
-
-        examples:
         CASE: 613421788        RESULT:       585M low_precision:       585M
         CASE: 5307033647       RESULT:      4.94G low_precision:       4.9G
         CASE: 44968414685      RESULT:      41.9G low_precision:      41.9G
@@ -866,8 +878,10 @@ class GlancesPlugin(object):
         return '{!s}'.format(number)
 
     def trend_msg(self, trend, significant=1):
-        """Return the trend message
-        Do not take into account if trend < significant"""
+        """Return the trend message.
+
+        Do not take into account if trend < significant
+        """
         ret = '-'
         if trend is None:
             ret = ' '
diff --git a/glances/plugins/glances_ports.py b/glances/plugins/glances_ports.py
index 2e3202af11d657b1d5e707f50154404794e3f486..c14951652c1a676618122c12c63f231e9417e434 100644
--- a/glances/plugins/glances_ports.py
+++ b/glances/plugins/glances_ports.py
@@ -42,7 +42,6 @@ from glances.plugins.glances_plugin import GlancesPlugin
 
 
 class Plugin(GlancesPlugin):
-
     """Glances ports scanner plugin."""
 
     def __init__(self, args=None, config=None):
@@ -64,7 +63,7 @@ class Plugin(GlancesPlugin):
         self._thread = None
 
     def exit(self):
-        """Overwrite the exit method to close threads"""
+        """Overwrite the exit method to close threads."""
         if self._thread is not None:
             self._thread.stop()
         # Call the father class
@@ -77,7 +76,6 @@ class Plugin(GlancesPlugin):
     @GlancesPlugin._log_result_decorator
     def update(self):
         """Update the ports list."""
-
         if self.input_method == 'local':
             # Only refresh:
             # * if there is not other scanning thread
@@ -103,7 +101,6 @@ class Plugin(GlancesPlugin):
 
     def get_ports_alert(self, port, header="", log=False):
         """Return the alert status relative to the port scan return value."""
-
         if port['status'] is None:
             return 'CAREFUL'
         elif port['status'] == 0:
@@ -117,7 +114,6 @@ class Plugin(GlancesPlugin):
 
     def get_web_alert(self, web, header="", log=False):
         """Return the alert status relative to the web/url scan return value."""
-
         if web['status'] is None:
             return 'CAREFUL'
         elif web['status'] not in [200, 301, 302]:
@@ -186,7 +182,7 @@ class ThreadScanner(threading.Thread):
     """
 
     def __init__(self, stats):
-        """Init the class"""
+        """Init the class."""
         logger.debug("ports plugin - Create thread for scan list {}".format(stats))
         super(ThreadScanner, self).__init__()
         # Event needed to stop properly the thread
@@ -197,9 +193,10 @@ class ThreadScanner(threading.Thread):
         self.plugin_name = "ports"
 
     def run(self):
-        """Function called to grab stats.
-        Infinite loop, should be stopped by calling the stop() method"""
+        """Grab the stats.
 
+        Infinite loop, should be stopped by calling the stop() method.
+        """
         for p in self._stats:
             # End of the thread has been asked
             if self.stopped():
@@ -216,25 +213,25 @@ class ThreadScanner(threading.Thread):
 
     @property
     def stats(self):
-        """Stats getter"""
+        """Stats getter."""
         return self._stats
 
     @stats.setter
     def stats(self, value):
-        """Stats setter"""
+        """Stats setter."""
         self._stats = value
 
     def stop(self, timeout=None):
-        """Stop the thread"""
+        """Stop the thread."""
         logger.debug("ports plugin - Close thread for scan list {}".format(self._stats))
         self._stopper.set()
 
     def stopped(self):
-        """Return True is the thread is stopped"""
+        """Return True is the thread is stopped."""
         return self._stopper.isSet()
 
     def _web_scan(self, web):
-        """Scan the  Web/URL (dict) and update the status key"""
+        """Scan the  Web/URL (dict) and update the status key."""
         try:
             req = requests.head(web['url'],
                                 allow_redirects=True,
@@ -249,14 +246,14 @@ class ThreadScanner(threading.Thread):
         return web
 
     def _port_scan(self, port):
-        """Scan the port structure (dict) and update the status key"""
+        """Scan the port structure (dict) and update the status key."""
         if int(port['port']) == 0:
             return self._port_scan_icmp(port)
         else:
             return self._port_scan_tcp(port)
 
     def _resolv_name(self, hostname):
-        """Convert hostname to IP address"""
+        """Convert hostname to IP address."""
         ip = hostname
         try:
             ip = socket.gethostbyname(hostname)
@@ -265,7 +262,7 @@ class ThreadScanner(threading.Thread):
         return ip
 
     def _port_scan_icmp(self, port):
-        """Scan the (ICMP) port structure (dict) and update the status key"""
+        """Scan the (ICMP) port structure (dict) and update the status key."""
         ret = None
 
         # Create the ping command
@@ -305,7 +302,7 @@ class ThreadScanner(threading.Thread):
         return ret
 
     def _port_scan_tcp(self, port):
-        """Scan the (TCP) port structure (dict) and update the status key"""
+        """Scan the (TCP) port structure (dict) and update the status key."""
         ret = None
 
         # Create and configure the scanning socket
diff --git a/glances/plugins/glances_processcount.py b/glances/plugins/glances_processcount.py
index 2ffd18b7e595edc9e2b5712f7566166e92eed792..03620c82dda3393f3eb33350e3b05c16ef51a298 100644
--- a/glances/plugins/glances_processcount.py
+++ b/glances/plugins/glances_processcount.py
@@ -27,7 +27,6 @@ from glances.plugins.glances_plugin import GlancesPlugin
 
 
 class Plugin(GlancesPlugin):
-
     """Glances process count plugin.
 
     stats is a list
diff --git a/glances/plugins/glances_processlist.py b/glances/plugins/glances_processlist.py
index f10b513033ba3137c47b4964100c6f88f6500c9d..c059e57a5e56ab3754c83f4fc52e6d55744b8fd8 100644
--- a/glances/plugins/glances_processlist.py
+++ b/glances/plugins/glances_processlist.py
@@ -57,7 +57,6 @@ def split_cmdline(cmdline):
 
 
 class Plugin(GlancesPlugin):
-
     """Glances' processes plugin.
 
     stats is a list
@@ -202,6 +201,7 @@ class Plugin(GlancesPlugin):
 
     def get_process_curses_data(self, p, first, args):
         """Get curses data to display for a process.
+
         - p is the process to display
         - first is a tag=True if the process is the first on the list
         """
@@ -466,9 +466,7 @@ class Plugin(GlancesPlugin):
         return ret
 
     def __msg_curse_header(self, ret, process_sort_key, args=None):
-        """
-        Build the header and add it to the ret dict
-        """
+        """Build the header and add it to the ret dict."""
         sort_style = 'SORT'
 
         if args.disable_irix and 0 < self.nb_log_core < 10:
@@ -503,7 +501,8 @@ class Plugin(GlancesPlugin):
 
     def __msg_curse_sum(self, ret, sep_char='_', mmm=None, args=None):
         """
-        Build the sum message (only when filter is on) and add it to the ret dict
+        Build the sum message (only when filter is on) and add it to the ret dict.
+
         * ret: list of string where the message is added
         * sep_char: define the line separation char
         * mmm: display min, max, mean or current (if mmm=None)
@@ -586,24 +585,20 @@ class Plugin(GlancesPlugin):
             ret.append(self.curse_add_line(msg, optional=True))
 
     def __mmm_deco(self, mmm):
-        """
-        Return the decoration string for the current mmm status
-        """
+        """Return the decoration string for the current mmm status."""
         if mmm is not None:
             return 'DEFAULT'
         else:
             return 'FILTER'
 
     def __mmm_reset(self):
-        """
-        Reset the MMM stats
-        """
+        """Reset the MMM stats."""
         self.mmm_min = {}
         self.mmm_max = {}
 
     def __sum_stats(self, key, indice=None, mmm=None):
-        """
-        Return the sum of the stats value for the given key
+        """Return the sum of the stats value for the given key.
+
         * indice: If indice is set, get the p[key][indice]
         * mmm: display min, max, mean or current (if mmm=None)
         """
@@ -647,13 +642,13 @@ class Plugin(GlancesPlugin):
         return ret
 
     def __sort_stats(self, sortedby=None):
-        """Return the stats (dict) sorted by (sortedby)"""
+        """Return the stats (dict) sorted by (sortedby)."""
         return sort_stats(self.stats, sortedby,
                           tree=glances_processes.is_tree_enabled(),
                           reverse=glances_processes.sort_reverse)
 
     def __max_pid_size(self):
-        """Return the maximum PID size in number of char"""
+        """Return the maximum PID size in number of char."""
         if self.pid_max is not None:
             return len(str(self.pid_max))
         else:
diff --git a/glances/plugins/glances_psutilversion.py b/glances/plugins/glances_psutilversion.py
index 7945ac26b500136ec0bef51d96b98d5f7b65ffc7..bffa4808a0a3d517b4f16abcb40c35783a77ab6d 100644
--- a/glances/plugins/glances_psutilversion.py
+++ b/glances/plugins/glances_psutilversion.py
@@ -17,6 +17,8 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
+"""PsUtil plugin."""
+
 from glances import psutil_version_info
 from glances.plugins.glances_plugin import GlancesPlugin
 
diff --git a/glances/plugins/glances_quicklook.py b/glances/plugins/glances_quicklook.py
index eca3c7a616ebe0fabdfc5046ba075571261c4a85..2a1b5b63607f7099fff88ff58942c222f856fbca 100644
--- a/glances/plugins/glances_quicklook.py
+++ b/glances/plugins/glances_quicklook.py
@@ -37,7 +37,6 @@ else:
 
 
 class Plugin(GlancesPlugin):
-
     """Glances quicklook plugin.
 
     'stats' is a dictionary.
@@ -143,7 +142,7 @@ class Plugin(GlancesPlugin):
         return ret
 
     def _msg_create_line(self, msg, bar, key):
-        """Create a new line to the Quickview"""
+        """Create a new line to the Quickview."""
         ret = []
 
         ret.append(self.curse_add_line(msg))
@@ -155,5 +154,5 @@ class Plugin(GlancesPlugin):
         return ret
 
     def _hz_to_ghz(self, hz):
-        """Convert Hz to Ghz"""
+        """Convert Hz to Ghz."""
         return hz / 1000000000.0
diff --git a/glances/plugins/glances_raid.py b/glances/plugins/glances_raid.py
index 910dc23e45e3eb392134f321a74f49f26f45a5d6..3579232a6e3c93bd8af9b271cf92445878b5dbee 100644
--- a/glances/plugins/glances_raid.py
+++ b/glances/plugins/glances_raid.py
@@ -31,7 +31,6 @@ except ImportError:
 
 
 class Plugin(GlancesPlugin):
-
     """Glances RAID plugin.
 
     stats is a dict (see pymdstat documentation)
diff --git a/glances/plugins/glances_sensors.py b/glances/plugins/glances_sensors.py
index 4db1ada57fc53a17feb2bfa41f6b370681f6d262..37f8dbba839624110b65af3b7c13d8e1b3b7b28d 100644
--- a/glances/plugins/glances_sensors.py
+++ b/glances/plugins/glances_sensors.py
@@ -37,7 +37,6 @@ def to_fahrenheit(celsius):
 
 
 class Plugin(GlancesPlugin):
-
     """Glances sensors plugin.
 
     The stats list includes both sensors and hard disks stats, if any.
@@ -218,7 +217,6 @@ class Plugin(GlancesPlugin):
 
 
 class GlancesGrabSensors(object):
-
     """Get sensors stats."""
 
     def __init__(self):
@@ -282,7 +280,8 @@ class GlancesGrabSensors(object):
 
         type: SENSOR_TEMP_UNIT or SENSOR_FAN_UNIT
 
-        output: a list"""
+        output: a list
+        """
         ret = []
         if type == SENSOR_TEMP_UNIT and self.init_temp:
             input_list = self.stemps
diff --git a/glances/plugins/glances_uptime.py b/glances/plugins/glances_uptime.py
index e57818da9ed9b14659885dfc889cc5ed35c80f68..6639fc3307aa7c662e7384eccea79d0f169f32f7 100644
--- a/glances/plugins/glances_uptime.py
+++ b/glances/plugins/glances_uptime.py
@@ -30,7 +30,6 @@ snmp_oid = {'_uptime': '1.3.6.1.2.1.1.3.0'}
 
 
 class Plugin(GlancesPlugin):
-
     """Glances uptime plugin.
 
     stats is date (string)
diff --git a/glances/plugins/glances_wifi.py b/glances/plugins/glances_wifi.py
index 2138af81cf0e63171240f08a5a72d6727c178aa6..8504ec26500cc68958318125208d20e25bcb82a1 100644
--- a/glances/plugins/glances_wifi.py
+++ b/glances/plugins/glances_wifi.py
@@ -38,8 +38,8 @@ else:
 
 
 class Plugin(GlancesPlugin):
-
     """Glances Wifi plugin.
+
     Get stats of the current Wifi hotspots.
     """
 
@@ -130,11 +130,11 @@ class Plugin(GlancesPlugin):
 
     def get_alert(self, value):
         """Overwrite the default get_alert method.
+
         Alert is on signal quality where lower is better...
 
         :returns: string -- Signal alert
         """
-
         ret = 'OK'
         try:
             if value <= self.get_limit('critical', stat_name=self.plugin_name):