update branch version to 0.9.1 (#2364)

* update branch version to 0.9.1
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* retry ci
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* retry ci
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* update test version
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

CHANGELOG.md

 # Changelog
 
 Please mark all change in change log and use the issue from GitHub
+# Milvus 0.9.1 (TBD)
+
+## Bug
+
+## Feature
+-   \#2363 Update branch version to 0.9.1
+
+## Improvement
+
+## Task
 
 # Milvus 0.9.0 (2020-05-15)
 
@@ -29,7 +39,7 @@ Please mark all change in change log and use the issue from GitHub
 -   \#2261 Re-define result returned by has_collection if collection in delete state
 -   \#2264 Milvus opened too many files when the metric_config.enable_monitor=true
 -   \#2266 Server hangs when using multi-clients to query different collections
--   \#2280 has_partition should return true for '_default'
+-   \#2280 has_partition should return true for `_default`
 
 ## Feature
 -   \#1751 Add api SearchByID

core/CMakeLists.txt

@@ -90,7 +90,7 @@ if (MILVUS_VERSION_MAJOR STREQUAL ""
         OR MILVUS_VERSION_MINOR STREQUAL ""
         OR MILVUS_VERSION_PATCH STREQUAL "")
     message(WARNING "Failed to determine Milvus version from git branch name")
-    set(MILVUS_VERSION "0.9.0")
+    set(MILVUS_VERSION "0.9.1")
 endif ()
 
 message(STATUS "Build version = ${MILVUS_VERSION}")

core/src/config/Config.cpp

@@ -187,7 +187,7 @@ constexpr int32_t PORT_NUMBER_MIN = 1024;
 constexpr int32_t PORT_NUMBER_MAX = 65535;
 
 static const std::unordered_map<std::string, std::string> milvus_config_version_map(
-    {{"0.6.0", "0.1"}, {"0.7.0", "0.2"}, {"0.7.1", "0.2"}, {"0.8.0", "0.3"}, {"0.9.0", "0.4"}});
+    {{"0.6.0", "0.1"}, {"0.7.0", "0.2"}, {"0.7.1", "0.2"}, {"0.8.0", "0.3"}, {"0.9.0", "0.4"}, {"0.9.1", "0.4"}});
 
 /////////////////////////////////////////////////////////////
 Config::Config() {

tests/milvus_python_test/test_ping.py

 import logging
 import pytest
 
-__version__ = '0.9.0'
+__version__ = '0.9.1'
 
 
 class TestPing: