test_requirements.txt
# requirements for CI
wheel
sympy == 1.12
flake8
pytest-cov
nbval
# needed by pytest-xdist
pytest-xdist; python_version >= '3.6'
pytest >= 4.4.0; python_version >= '3.6'
# our CI run disables tests on 3.5 using -k syntax that does not work in pytest 6
pytest < 6; python_version < '3.6'