Unpin pytest and its plugins
This works around the incompatibility of pytest-xdist 2.0.0
with older pytest:
@@ -4,16 +4,14 @@ enum34; python_version < '3.4'
freezegun
mock
pretend
-# pytest 5.x only supports python 3.5+
-pytest<5.0.0
+pytest
pytest-cov
-# Prevent installing 9.0 which has install_requires "pytest >= 5.0".
-pytest-rerunfailures<9.0
+pytest-rerunfailures
pytest-timeout
pytest-xdist
pyyaml
-setuptools>=39.2.0 # Needed for `setuptools.wheel.Wheel` support.
scripttest
+setuptools>=39.2.0 # Needed for `setuptools.wheel.Wheel` support.
https://github.com/pypa/virtualenv/archive/legacy.zip#egg=virtualenv
werkzeug==0.16.0
wheel
