Omit backports.entry_points_selectable for Python >=3.10

docs/changelog/2238.feature.rst

@@ -0,0 +1 @@
+Omit backports.entry_points_selectable for Python >=3.10

setup.cfg

@@ -40,11 +40,11 @@ project_urls =
 [options]
 packages = find:
 install_requires =
-    backports.entry-points-selectable>=1.0.4
     distlib>=0.3.1,<1
     filelock>=3.2,<4
     platformdirs>=2,<3
     six>=1.9.0,<2   # keep it >=1.9.0 as it may cause problems on LTS platforms
+    backports.entry-points-selectable>=1.0.4;python_version<"3.10"
     importlib-metadata>=0.12;python_version<"3.8"
     importlib-resources>=1.0;python_version<"3.7"
     pathlib2>=2.3.3,<3;python_version < '3.4' and sys.platform != 'win32'

src/virtualenv/run/plugin/base.py

@@ -1,8 +1,12 @@
 from __future__ import absolute_import, unicode_literals
 
+import sys
 from collections import OrderedDict
 
-from backports.entry_points_selectable import entry_points
+if sys.version_info >= (3, 10):
+    from importlib.metadata import entry_points
+else:
+    from backports.entry_points_selectable import entry_points
 
 
 class PluginLoader(object):