Fix tox config.
@@ -12,7 +12,6 @@ deps =
libvirt-python==7.9.0
basepython =
pypypy3: pypy3
- py3.6: python3.6
pypyjion: pyjion
{py3.6,py3.6-dist,py3.6-dist-wheel}: python3.6
{py3.7,docs,checks,lint,pylint,mypy,coverage,docs,py3.7-dist,py3.7-dist-wheel}: python3.7
