Merge pull request #197 from pytest-dev/pin_pytest_qt_for_pyside2

Author: altendky

tox.ini

@@ -13,6 +13,7 @@ deps=
     twisted
     py37,py38,py39,pypy37,pypy38: hypothesis
     pyqt5reactor,pyside2reactor: pytest-qt
+    pyqt5reactor,pyside2reactor: pytest-qt<4.5.0; python_version >= "3.9"
     pyqt5reactor,pyside2reactor: pytest-xvfb
     pyqt5reactor,pyside2reactor: pywin32; sys_platform == 'win32'
 extras=