fromgoogleimportapi_corefromgoogle.cloudimportbigqueryfromgoogle.api_coreimportretryif_transient_error=retry.if_exception_type(Exception,)RETRY_INITIAL=1RETRY_MAXIMUM=10RETRY_MULTIPLIER=2RETRY_DEADLINE=60my_retry=retry.Retry(predicate=if_transient_error,initial=RETRY_INITIAL,maximum=RETRY_MAXIMUM,multiplier=RETRY_MULTIPLIER,deadline=RETRY_DEADLINE)# retry testprint("bq version:",bigquery.__version__)print("api-core version:",api_core.__version__)client=bigquery.Client()sql="hoge"query_job=client.query(sql,retry=my_retry)forrowinquery_job.result(retry=my_retry):print(row)

google-api-core==1.23.0# Last Known good version 2.3.1#google-cloud-bigquery==2.3.1# First version that broke retrygoogle-cloud-bigquery==2.4.0

# Error is not being retried starting from google-cloud-bigquery==2.4.0$ python3 repro.py bq version: 2.4.0api-core version: 1.23.0Traceback (most recent call last):  File "repro.py", line 31, in <module>    for row in query_job.result(retry=my_retry):  File "/tmp/.venv/lib/python3.8/site-packages/google/cloud/bigquery/job/query.py", line 1160, in result    super(QueryJob, self).result(retry=retry, timeout=timeout)  File "/tmp/.venv/lib/python3.8/site-packages/google/cloud/bigquery/job/base.py", line 631, in result    return super(_AsyncJob, self).result(timeout=timeout, **kwargs)  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/future/polling.py", line 134, in result    raise self._exceptiongoogle.api_core.exceptions.BadRequest: 400 Syntax error: Expected end of input but got identifier "hoge" at [1:1]# In google-cloud-bigquery==2.3.1, error is retried as configured$ python3 repro.py bq version: 2.3.1api-core version: 1.23.0Traceback (most recent call last):  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/retry.py", line 184, in retry_target    return target()  File "/tmp/.venv/lib/python3.8/site-packages/google/cloud/_http.py", line 438, in api_request    raise exceptions.from_http_response(response)google.api_core.exceptions.BadRequest: 400 GET https://bigquery.googleapis.com/bigquery/v2/projects/wua-repro/queries/1ca1cb14-f9a5-4298-9058-91ab784be278?maxResults=0&location=US&prettyPrint=false: Syntax error: Expected end of input but got identifier "hoge" at [1:1]The above exception was the direct cause of the following exception:Traceback (most recent call last):  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/future/polling.py", line 107, in _blocking_poll    retry_(self._done_or_raise)(**kwargs)  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/retry.py", line 281, in retry_wrapped_func    return retry_target(  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/retry.py", line 184, in retry_target    return target()  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/future/polling.py", line 85, in _done_or_raise    if not self.done(**kwargs):  File "/tmp/.venv/lib/python3.8/site-packages/google/cloud/bigquery/job/query.py", line 1022, in done    self._query_results = self._client._get_query_results(  File "/tmp/.venv/lib/python3.8/site-packages/google/cloud/bigquery/client.py", line 1557, in _get_query_results    resource = self._call_api(  File "/tmp/.venv/lib/python3.8/site-packages/google/cloud/bigquery/client.py", line 636, in _call_api    return call()  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/retry.py", line 281, in retry_wrapped_func    return retry_target(  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/retry.py", line 199, in retry_target    six.raise_from(  File "<string>", line 3, in raise_fromgoogle.api_core.exceptions.RetryError: Deadline of 60.0s exceeded while calling functools.partial(functools.partial(<bound method JSONConnection.api_request of <google.cloud.bigquery._http.Connection object at 0x7f9b79f60e50>>, method='GET', path='/projects/wua-repro/queries/1ca1cb14-f9a5-4298-9058-91ab784be278', query_params={'maxResults': 0, 'location': 'US'}, timeout=None)), last exception: 400 GET https://bigquery.googleapis.com/bigquery/v2/projects/wua-repro/queries/1ca1cb14-f9a5-4298-9058-91ab784be278?maxResults=0&location=US&prettyPrint=false: Syntax error: Expected end of input but got identifier "hoge" at [1:1]During handling of the above exception, another exception occurred:Traceback (most recent call last):  File "repro.py", line 31, in <module>    for row in query_job.result(retry=my_retry):  File "/tmp/.venv/lib/python3.8/site-packages/google/cloud/bigquery/job/query.py", line 1146, in result    super(QueryJob, self).result(retry=retry, timeout=timeout)  File "/tmp/.venv/lib/python3.8/site-packages/google/cloud/bigquery/job/base.py", line 631, in result    return super(_AsyncJob, self).result(timeout=timeout, **kwargs)  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/future/polling.py", line 129, in result    self._blocking_poll(timeout=timeout, **kwargs)  File "/tmp/.venv/lib/python3.8/site-packages/google/cloud/bigquery/job/query.py", line 1042, in _blocking_poll    super(QueryJob, self)._blocking_poll(timeout=timeout, **kwargs)  File "/tmp/.venv/lib/python3.8/site-packages/google/api_core/future/polling.py", line 109, in _blocking_poll    raise concurrent.futures.TimeoutError(concurrent.futures._base.TimeoutError: Operation did not complete within the designated timeout.