Update train.py

Author: bubbliiiing

train.py

@@ -196,7 +196,7 @@ def fit_one_epoch(net,yolo_losses,epoch,epoch_size,epoch_size_val,gen,genval,Epo
         if Cosine_lr:
             lr_scheduler = optim.lr_scheduler.CosineAnnealingLR(optimizer, T_max=5, eta_min=1e-5)
         else:
-            lr_scheduler = optim.lr_scheduler.StepLR(optimizer,step_size=1,gamma=0.9)
+            lr_scheduler = optim.lr_scheduler.StepLR(optimizer,step_size=1,gamma=0.95)
 
         if Use_Data_Loader:
             train_dataset = YoloDataset(lines[:num_train], (input_shape[0], input_shape[1]), mosaic=mosaic)
@@ -233,7 +233,7 @@ def fit_one_epoch(net,yolo_losses,epoch,epoch_size,epoch_size_val,gen,genval,Epo
         if Cosine_lr:
             lr_scheduler = optim.lr_scheduler.CosineAnnealingLR(optimizer, T_max=5, eta_min=1e-5)
         else:
-            lr_scheduler = optim.lr_scheduler.StepLR(optimizer,step_size=1,gamma=0.9)
+            lr_scheduler = optim.lr_scheduler.StepLR(optimizer,step_size=1,gamma=0.95)
 
         if Use_Data_Loader:
             train_dataset = YoloDataset(lines[:num_train], (input_shape[0], input_shape[1]), mosaic=mosaic)