decorator<5.0,>=4.0.2
tqdm<5.0,>=4.11.2
requests<3.0,>=2.8.1
proglog<=1.0.0

[:python_version != "2.7"]
numpy>=1.17.3

[:python_version < "3.4"]
imageio<2.5,>=2.0

[:python_version >= "2.7"]
numpy

[:python_version >= "3.4"]
imageio<3.0,>=2.5
imageio_ffmpeg>=0.2.0

[doc]
numpydoc<1.0,>=0.6.0
sphinx_rtd_theme<1.0,>=0.1.10b0
Sphinx<2.0,>=1.5.2

[doc:python_version < "3.8"]
pygame<2.0,>=1.9.3

[optional]
youtube_dl

[optional:python_version != "2.7"]
opencv-python<4.0,>=3.0

[optional:python_version != "3.3"]
scipy<1.5,>=0.19.0

[optional:python_version >= "3.4"]
scikit-image<1.0,>=0.13.0
scikit-learn
matplotlib<3.0,>=2.0.0

[test]
coverage<5.0
coveralls<2.0,>=1.1
pytest-cov<3.0,>=2.5.1
pytest<4.0,>=3.0.0
requests<3.0,>=2.8.1