tox: test on python 3.9 -> python 3.11

diff --git a/tox.ini b/tox.ini
index 5ce1245dd7456da958a877b8096bfd7612f079c9..3200b2d22e0a9e0859a5d27889295aae9b42de48 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py27, py36, py37, py38
+envlist = py27, py36, py37, py38, py39, py310, py311
 
 [testenv]
 commands = pytest