pillow
pysdl2

[:platform_python_implementation == "CPython"]
cython>=0.29.16

[:python_version < "3.7" and platform_python_implementation == "CPython"]
numpy<=1.19

[:python_version >= "3.7" or platform_python_implementation == "PyPy"]
numpy

[all]
pyopengl
markdown
pdoc3
gym

[all:python_version < "3.7" and platform_python_implementation == "CPython"]
scipy<=1.5.3
