SNOW-90635: Fix AttributeError: 'ReadTimeout' object has no attribute 'message' when OCSP responder is hang.

Author: sfc-gh-stakeda

ocsp_snowflake.py

@@ -1327,7 +1327,7 @@ def _fetch_ocsp_response(self, ocsp_request, subject, cert_id,
                         raise RevocationCheckError(
                             msg="Could not fetch OCSP Response from server. Consider"
                                 "checking your whitelists : Exception - {}".format(
-                                ex.message),
+                                str(ex)),
                             errno=ER_OCSP_FAILED_TO_CONNECT_HOST)
             else:
                 logger.error(