Merge branch 'pytest-avoid-5.2.3' into 'master'

tox: Avoid installing pytest==5.2.3 due to an introduced regression

Closes #594

See merge request pycqa/flake8!383

tox.ini

@@ -5,7 +5,7 @@ envlist = py27,py34,py35,py36,py37,py38,flake8,linters,docs
 [testenv]
 deps =
     mock>=2.0.0
-    pytest!=3.0.5
+    pytest!=3.0.5,!=5.2.3
     coverage
 commands =
     coverage run -m pytest {posargs}