Andrew Halberstadt 54355ca715 Bug 1563797 - Vendor backports.shutil_which r=Callek ... I couldn't use 'mach vendor python' to get this module in-tree because that puts a 'backports' module on the PYTHONPATH. This is a problem because many (most?) compatibility backports also use a 'backports' library. So in the likely event that a user happens to have one of these installed in their system Python, we'll search that module before the vendored one and fail to find it. This gets around the issue by foregoing 'backports' and just putting 'shutil_which' on the path Differential Revision: https://phabricator.services.mozilla.com/D36838 --HG-- extra : moz-landing-system : lando		2019-07-11 14:03:30 +00:00
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shutil_which