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?
