Fix incomplete pip-updates in virtual environments

python-pip.spec

@@ -406,6 +406,7 @@ pytest_k='not completion and
 * Wed Oct 13 2021 Miro Hrončok <mhroncok@redhat.com> - 21.3-1
 - Update to 21.3
 - Resolves: rhbz#2013026
+- Fix incomplete pip-updates in virtual environments
 
 * Wed Oct 06 2021 Charalampos Stratakis <cstratak@redhat.com> - 21.2.3-4
 - Remove bundled windows executables

remove-existing-dist-only-if-path-conflicts.patch

@@ -71,10 +71,11 @@ diff --git a/src/pip/_internal/resolution/resolvelib/factory.py b/src/pip/_inter
 index 766dc26..c8c1cd8 100644
 --- a/src/pip/_internal/resolution/resolvelib/factory.py
 +++ b/src/pip/_internal/resolution/resolvelib/factory.py
-@@ -1,6 +1,7 @@
+@@ -1,6 +1,8 @@
  import contextlib
  import functools
  import logging
++import sys
 +import sysconfig
  from typing import (
      TYPE_CHECKING,
@@ -102,8 +103,8 @@ index 766dc26..c8c1cd8 100644
 +        # Prevent uninstalling packages from /usr
 +        try:
 +            if dist_location(dist._dist) in (
-+                    sysconfig.get_path('purelib', scheme='rpm_prefix'),
-+                    sysconfig.get_path('platlib', scheme='rpm_prefix'),
++                    sysconfig.get_path('purelib', scheme='rpm_prefix', vars={'base': sys.base_prefix}),
++                    sysconfig.get_path('platlib', scheme='rpm_prefix', vars={'base': sys.base_prefix}),
 +                ):
 +                return None
 +        except KeyError:  # this Python doesn't have 'rpm_prefix' scheme yet