Do not call method that was removed in Python 3.9 in six #1
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An attempt to help google#12027
You linked to a log with a failure for six - https://oss-fuzz-gcb-logs.storage.googleapis.com/log-4180e85e-4b31-4442-849a-2188343052bc.txt
The failure makes sense as a result of the Python version upgrade, since in Python 3.9, 'unescape' was removed from HTMLParser - https://docs.python.org/3/whatsnew/3.9.html#porting-to-python-3-9
However, if you look at the six source code,
unescape
isn't even used. HTMLParser is sure, but that's it. So I think the problematic code can be removed from fuzz_six.py - the method is gone in Python >= 3.9, and Python 3.8 is EOL, so there's no need to continue testing it.