diff --git a/src/datasets/features/image.py b/src/datasets/features/image.py
index a399dbf33ea..8bd72c8efaf 100644
--- a/src/datasets/features/image.py
+++ b/src/datasets/features/image.py
@@ -352,7 +352,7 @@ def encode_np_array(array: np.ndarray) -> dict:
 
 
 def objects_to_list_of_image_dicts(
-    objs: Union[List[str], List[dict], List[np.ndarray], List["PIL.Image.Image"]]
+    objs: Union[List[str], List[dict], List[np.ndarray], List["PIL.Image.Image"]],
 ) -> List[dict]:
     """Encode a list of objects into a format suitable for creating an extension array of type `ImageExtensionType`."""
     if config.PIL_AVAILABLE:
diff --git a/src/datasets/utils/hub.py b/src/datasets/utils/hub.py
index 0925d075ee0..52b48cec0fe 100644
--- a/src/datasets/utils/hub.py
+++ b/src/datasets/utils/hub.py
@@ -3,7 +3,7 @@
 
 from huggingface_hub import HfApi, hf_hub_url
 from packaging import version
-from requests import HTTPError
+from requests import ConnectionError, HTTPError
 
 from .. import config
 from . import logging
@@ -18,15 +18,17 @@ def preupload_lfs_files(hf_api: HfApi, **kwargs):
         max_retries = 5
         base_wait_time = 1
         max_wait_time = 8
-        status_codes = [500, 503]
         retry = 0
         while True:
             try:
                 hf_api.preupload_lfs_files(**kwargs)
-            except (RuntimeError, HTTPError) as err:
-                if isinstance(err, RuntimeError) and isinstance(err.__cause__, HTTPError):
-                    err = err.__cause__
-                if retry >= max_retries or err.response.status_code not in status_codes:
+            except (RuntimeError, HTTPError, ConnectionError) as err:
+                if isinstance(err, RuntimeError):
+                    if isinstance(err.__cause__, (HTTPError, ConnectionError)):
+                        err = err.__cause__
+                    else:
+                        raise err
+                if retry >= max_retries or err.response and err.response.status_code not in [500, 503]:
                     raise err
                 else:
                     sleep_time = min(max_wait_time, base_wait_time * 2**retry)  # Exponential backoff