Xqt added a comment.
I figured out that this error occured in line 88 of userinterfaces/win32_unicode.py Seems that fileno exists but isn't supported. I never seen this bug bevor? Is it a py 2.7.9 behaviour?
TASK DETAIL https://phabricator.wikimedia.org/T99368
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To: Xqt Cc: pywikipedia-bugs, Xqt, Aklapper, Anshoe