Assign exception = None

Author: busunkim96

googleapiclient/http.py

@@ -149,6 +149,7 @@ def _retry_request(http, num_retries, req_type, sleep, rand, uri, method, *args,
   """
   resp = None
   content = None
+  exception = None
   for retry_num in range(num_retries + 1):
     if retry_num > 0:
       # Sleep before retrying.