fix shuffle not work

ppocr/data/__init__.py

@@ -65,6 +65,7 @@ def build_dataloader(config, mode, device, logger, seed=None):
     loader_config = config[mode]['loader']
     batch_size = loader_config['batch_size_per_card']
     drop_last = loader_config['drop_last']
+    shuffle = loader_config['shuffle']
     num_workers = loader_config['num_workers']
     if 'use_shared_memory' in loader_config.keys():
         use_shared_memory = loader_config['use_shared_memory']
@@ -75,14 +76,14 @@ def build_dataloader(config, mode, device, logger, seed=None):
         batch_sampler = DistributedBatchSampler(
             dataset=dataset,
             batch_size=batch_size,
-            shuffle=False,
+            shuffle=shuffle,
             drop_last=drop_last)
     else:
         #Distribute data to single card
         batch_sampler = BatchSampler(
             dataset=dataset,
             batch_size=batch_size,
-            shuffle=False,
+            shuffle=shuffle,
             drop_last=drop_last)
 
     data_loader = DataLoader(