test_requirements.txt

cython==0.29.21
wheel
setuptools<49.2.0
hypothesis==5.41.5
pytest==6.0.2
pytz==2020.4
pytest-cov==2.10.1
pickle5; python_version == '3.7' and platform_python_implementation != 'PyPy'
# for numpy.random.test.test_extending
cffi
# For testing types. Notes on the restrictions:
# - Mypy relies on C API features not present in PyPy
# - Mypy doesn't currently work on Python 3.9
mypy==0.790; platform_python_implementation != "PyPy"
typing_extensions