jmespath>=0.6.2
jsonschema<4,>=3.0.2
numpy>=1.10
packaging>=16.0
pyyaml>=3.10
semantic_version>=2.8

[:python_version < "3.9"]
importlib_resources>=3

[all]
lz4>=0.10

[docs]
astropy
docutils
graphviz
matplotlib
sphinx
sphinx-astropy

[tests]
astropy
gwcs
psutil
pytest-doctestplus
pytest-openfiles
pytest-remotedata
pytest<6
