--- a/env/lib/python3.7/site-packages/packaging/utils.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,62 +0,0 @@
-# This file is dual licensed under the terms of the Apache License, Version
-# 2.0, and the BSD License. See the LICENSE file in the root of this repository
-# for complete details.
-from __future__ import absolute_import, division, print_function
-
-import re
-
-from ._typing import MYPY_CHECK_RUNNING
-from .version import InvalidVersion, Version
-
-if MYPY_CHECK_RUNNING:  # pragma: no cover
-    from typing import Union
-
-_canonicalize_regex = re.compile(r"[-_.]+")
-
-
-def canonicalize_name(name):
-    # type: (str) -> str
-    # This is taken from PEP 503.
-    return _canonicalize_regex.sub("-", name).lower()
-
-
-def canonicalize_version(_version):
-    # type: (str) -> Union[Version, str]
-    """
-    This is very similar to Version.__str__, but has one subtle difference
-    with the way it handles the release segment.
-    """
-
-    try:
-        version = Version(_version)
-    except InvalidVersion:
-        # Legacy versions cannot be normalized
-        return _version
-
-    parts = []
-
-    # Epoch
-    if version.epoch != 0:
-        parts.append("{0}!".format(version.epoch))
-
-    # Release segment
-    # NB: This strips trailing '.0's to normalize
-    parts.append(re.sub(r"(\.0)+$", "", ".".join(str(x) for x in version.release)))
-
-    # Pre-release
-    if version.pre is not None:
-        parts.append("".join(str(x) for x in version.pre))
-
-    # Post-release
-    if version.post is not None:
-        parts.append(".post{0}".format(version.post))
-
-    # Development release
-    if version.dev is not None:
-        parts.append(".dev{0}".format(version.dev))
-
-    # Local version segment
-    if version.local is not None:
-        parts.append("+{0}".format(version.local))
-
-    return "".join(parts)