sphinx >=1.3
sphinx_rtd_theme
pytest >= 2.5
mock >= 1.0.1
graphviz
flake8
pylint == 2.5
coveralls
pytest-cov<2.6.0
wheel
black >= 20.0; python_version >= "3.6" and implementation_name == "cpython"

sphinx >=1.3
sphinx_rtd_theme
pytest >= 2.5
mock >= 1.0.1
graphviz
flake8
pylint == 2.5
coveralls
pytest-cov<2.6.0
wheel
black >= 20.0b0; python_version >= "3.6" and implementation_name == "cpython"

Fix required version string for Black
Fix required version string for Black
