pip requirements files Index default.txt Default requirements test.txt Requirements for running test suite optional.txt Optional requirements for integration with other libraries doc.txt Requirements for building the documentation (see ../doc/) release.txt Requirements for making releases Examples Installing requirements $ pip install -U -r requirements/default.txt Running the tests $ pip install -U -r requirements/default.txt $ pip install -U -r requirements/test.txt Running the tests including optional integration $ pip install -U -r requirements/default.txt $ pip install -U -r requirements/test.txt $ pip install -U -r requirements/optional.txt