fix error when train model load the test_load data

train/keras-train/train.py

@@ -31,13 +31,16 @@ def one_hot(text,length=10,characters=characters):
      return label
 
 n_len = 10  
-def gen(loader):
+def gen(loader,flag='train'):
     while True:
         i =0 
         n = len(loader)
         for X,Y in loader:
             X = X.numpy()
             X = X.reshape((-1,imgH,imgW,1))
+            if flag=='test':
+                Y = Y.numpy()
+                
             Y = np.array(Y)
             Length = int(imgW/4)-1
             batchs = X.shape[0]
@@ -63,6 +66,7 @@ train_loader = torch.utils.data.DataLoader(
 test_dataset = dataset.lmdbDataset(
     root=valroot, transform=dataset.resizeNormalize((imgW, imgH)),target_transform=one_hot)
 
+
 test_loader = torch.utils.data.DataLoader(
         test_dataset, shuffle=True, batch_size=batchSize, num_workers=int(workers))
 
@@ -78,9 +82,9 @@ if __name__=='__main__':
     checkpointer = ModelCheckpoint(filepath="save_model/model{epoch:02d}-{val_loss:.4f}.hdf5",monitor='val_loss',         verbose=0,save_weights_only=False, save_best_only=True)
     rlu = ReduceLROnPlateau(monitor='val_loss', factor=0.1, patience=1, verbose=0, mode='auto', epsilon=0.0001, cooldown=0, min_lr=0)
 
-    model.fit_generator(gen(train_loader), 
-                    steps_per_epoch=10240, 
+    model.fit_generator(gen(train_loader,flag='train'), 
+                    steps_per_epoch=102400, 
                     epochs=200,
-                    validation_data=gen(test_loader),
+                    validation_data=gen(test_loader,flag='test'),
                     callbacks=[checkpointer,rlu],
                     validation_steps=1024)