Update maskrcnn_benchmark/utils/model_zoo.py

maskrcnn_benchmark/utils/model_zoo.py

@@ -9,10 +9,12 @@ try:
 except ImportError:
     try:
         from torch.utils.model_zoo import _download_url_to_file
+        from torch.utils.model_zoo import urlparse
+        from torch.utils.model_zoo import HASH_REGEX
     except ImportError:
         from torch.hub import download_url_to_file as _download_url_to_file
-    from torch.utils.model_zoo import urlparse
-    from torch.utils.model_zoo import HASH_REGEX
+        from torch.hub import urlparse
+        from torch.hub import HASH_REGEX
 
 from maskrcnn_benchmark.utils.comm import is_main_process
 from maskrcnn_benchmark.utils.comm import synchronize