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when trying to create a folder gracefully fall back when it already exists #1083
When installing multiple packages into the same location in parallel each packages installation step tries to create the same directories (e.g. the
This patch changes the logic to use the Pythonic approach to try to create the directory and in case it already exists ignore the exception.
referenced this pull request
Jul 13, 2017
I'm trying to figure out now what's going on with https://travis-ci.org/pypa/setuptools/jobs/253323051.
Ugh. So exists_ok had some extra complication with it before Python 3.3.6. From the docs: