Keep using old virtualenv for Python < 3.10

uranusjr · uranusjr · commit b850d539f989 · 2022-10-28T01:51:13.000+08:00
pip uses distutils (instead of sysconfig) for Python &lt; 3.10, which has
awkward path issues when faking a user site.
diff --git a/tests/requirements.txt b/tests/requirements.txt
@@ -7,7 +7,8 @@ pytest-rerunfailures
 pytest-xdist
 scripttest
 setuptools
-virtualenv >= 20.0
+virtualenv < 20.0 ; python_version < '3.10'
+virtualenv >= 20.0 ; python_version >= '3.10'
 werkzeug
 wheel
 tomli-w
