fix bugs

ppocr/metrics/__init__.py

@@ -26,7 +26,6 @@ def build_metric(config):
     from .det_metric import DetMetric
     from .rec_metric import RecMetric
     from .cls_metric import ClsMetric
-    from .rec_metric import RecMetric
 
     support_dict = ['DetMetric', 'RecMetric', 'ClsMetric']
 

tools/program.py

@@ -179,9 +179,9 @@ def train(config,
     if 'start_epoch' in best_model_dict:
         start_epoch = best_model_dict['start_epoch']
     else:
-        start_epoch = 0
+        start_epoch = 1
 
-    for epoch in range(start_epoch, epoch_num):
+    for epoch in range(start_epoch, epoch_num + 1):
         if epoch > 0:
             train_dataloader = build_dataloader(config, 'Train', device, logger)
         train_batch_cost = 0.0
@@ -216,7 +216,6 @@ def train(config,
             stats['lr'] = lr
             train_stats.update(stats)
 
-            #cal_metric_during_train = False
             if cal_metric_during_train:  # onlt rec and cls need
                 batch = [item.numpy() for item in batch]
                 post_result = post_process_class(preds, batch[1])