fix: retry if upload fails with requests.exceptions.ConnectionError [D…

…ET-3358] (#792)

common/determined_common/storage/gcs.py

@@ -4,14 +4,17 @@
 import tempfile
 from typing import Iterator, Optional
 
+import requests.exceptions
 import urllib3.exceptions
 from google.api_core import retry
 from google.cloud import storage
 
 from determined_common.storage.base import StorageManager, StorageMetadata
 
 retry_network_errors = retry.Retry(
-    retry.if_exception_type(ConnectionError, urllib3.exceptions.ProtocolError)
+    retry.if_exception_type(
+        ConnectionError, urllib3.exceptions.ProtocolError, requests.exceptions.ConnectionError
+    )
 )