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Diffstat (limited to 'pip/utils/outdated.py')
| -rw-r--r-- | pip/utils/outdated.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/pip/utils/outdated.py b/pip/utils/outdated.py index 5549b7865..6365c6c06 100644 --- a/pip/utils/outdated.py +++ b/pip/utils/outdated.py @@ -99,7 +99,11 @@ def pip_version_check(session): the active virtualenv or in the user's USER_CACHE_DIR keyed off the prefix of the pip script path. """ - pip_version = packaging_version.parse(get_installed_version('pip')) + installed_version = get_installed_version("pip") + if installed_version is None: + return + + pip_version = packaging_version.parse(installed_version) pypi_version = None try: |