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Author gz
Recipients barry, eli.bendersky, ethan.furman, gz, python-dev, simon.percivall
Date 2019-03-04.16:45:57
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1551717957.76.0.764795077167.issue29167@roundup.psfhosted.org>
In-reply-to
Content 
Our production system hit this issue using Python 3.6.7 once a few days ago, so presumably the race is still possible with the applied patch, just less likely?

```
RuntimeError: dictionary changed size during iteration
at _decompose (/usr/lib/python3.6/enum.py:858)
at _create_pseudo_member_ (/usr/lib/python3.6/enum.py:773)
at _missing_ (/usr/lib/python3.6/enum.py:764)
at __new__ (/usr/lib/python3.6/enum.py:535)
at __call__ (/usr/lib/python3.6/enum.py:293)
at __or__ (/usr/lib/python3.6/enum.py:800)
at create_urllib3_context (/usr/local/lib/python3.6/dist-packages/urllib3/util/ssl_.py:279)
at connect (/usr/local/lib/python3.6/dist-packages/urllib3/connection.py:332)
at _validate_conn (/usr/local/lib/python3.6/dist-packages/urllib3/connectionpool.py:839)
at _make_request (/usr/local/lib/python3.6/dist-packages/urllib3/connectionpool.py:343)
at urlopen (/usr/local/lib/python3.6/dist-packages/urllib3/connectionpool.py:600)
at send (/usr/local/lib/python3.6/dist-packages/requests/adapters.py:449)
at send (/usr/local/lib/python3.6/dist-packages/requests/sessions.py:646)
at request (/usr/local/lib/python3.6/dist-packages/requests/sessions.py:533)
at __call__ (/usr/local/lib/python3.6/dist-packages/google/auth/transport/requests.py:120)
at _token_endpoint_request (/usr/local/lib/python3.6/dist-packages/google/oauth2/_client.py:106)
at jwt_grant (/usr/local/lib/python3.6/dist-packages/google/oauth2/_client.py:145)
at refresh (/usr/local/lib/python3.6/dist-packages/google/oauth2/service_account.py:322)
at before_request (/usr/local/lib/python3.6/dist-packages/google/auth/credentials.py:122)
at request (/usr/local/lib/python3.6/dist-packages/google/auth/transport/requests.py:198)
at wait_and_retry (/usr/local/lib/python3.6/dist-packages/google/resumable_media/_helpers.py:146)
at http_request (/usr/local/lib/python3.6/dist-packages/google/resumable_media/requests/_helpers.py:101)
at consume (/usr/local/lib/python3.6/dist-packages/google/resumable_media/requests/download.py:169)
at _do_download (/usr/local/lib/python3.6/dist-packages/google/cloud/storage/blob.py:498)
at download_to_file (/usr/local/lib/python3.6/dist-packages/google/cloud/storage/blob.py:560)
```
History
Date User Action Args
2019-03-04 16:45:57gzsetrecipients: + gz, barry, simon.percivall, eli.bendersky, ethan.furman, python-dev
2019-03-04 16:45:57gzsetmessageid: <1551717957.76.0.764795077167.issue29167@roundup.psfhosted.org>
2019-03-04 16:45:57gzlinkissue29167 messages
2019-03-04 16:45:57gzcreate