Merge pull request #3299 from python-pillow/revert-3285-workaround-windows-pypy-error

Revert "CI: Temporarily pin pytest to prevent scandir non-compilation"

Author: radarhere

.appveyor.yml

@@ -71,7 +71,7 @@ build_script:
 
 test_script:
 - cd c:\pillow
-- '%PYTHON%\%PIP_DIR%\pip.exe install "pytest<3.7" pytest-cov'
+- '%PYTHON%\%PIP_DIR%\pip.exe install pytest pytest-cov'
 - '%PYTHON%\%EXECUTABLE% -m pytest -vx --cov PIL --cov-report term --cov-report xml Tests'
 #- '%PYTHON%\%EXECUTABLE% test-installed.py -v -s %TEST_OPTIONS%' TODO TEST_OPTIONS with pytest?