semantic_version>=2.8
pyyaml>=3.10
jsonschema<4,>=2.3
six>=1.9.0
numpy>=1.8

[all]
lz4>=0.10

[docs]
sphinx
sphinx-astropy
astropy
graphviz
matplotlib

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