import sys # This code exists for backwards compatibility reasons. # I don't like it either. Just look the other way. :) for package in ('urllib3', 'idna', 'chardet'): vendored_package = "pip._vendor." + package locals()[package] = __import__(vendored_package) # This traversal is apparently necessary such that the identities are # preserved (requests.packages.urllib3.* is urllib3.*) for mod in list(sys.modules): if mod == vendored_package or mod.startswith(vendored_package + '.'): unprefixed_mod = mod[len("pip._vendor."):] sys.modules['pip._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod] # Kinda cool, though, right?