attrs >= 19.1.0
hypothesis >= 4.24, < 5
Pillow >= 5.0.0
pytest >= 4.4.0, < 5
pytest-xdist >= 1.28, <  2
pytest-helpers-namespace >= 2019.1.8
pytest-timeout >= 1.3.3
python-xmp-toolkit >= 2.0.1 ; sys_platform != "nt"
