Update AppVeyor-specific tox configuration.

vsajip · vsajip · commit e9b7ea36bb5d · 2022-05-10T07:11:22.000+01:00
diff --git a/av-tox.ini b/av-tox.ini
@@ -1,6 +1,7 @@
 [tox]
 #envlist = py26, py27, py34, py35, py36, pypy
-envlist = py26, py27, py35, py36, py37, pypy
+envlist = py26, py27, py35, py36, py37, py38, py39, pypy
+isolated_build = True
 
 [testenv]
 commands = {envpython} test_gnupg.py
