[py-torchvision] added dependency of ffmpeg (#17032)

* [py-torchvision] added dependency of ffmpeg

* [py-torchvision] needs ffmpeg >= 3.1. See: https://github.com/pytorch/vision/issues/1597

* [py-torchvision] ffmpeg dependency is only for py-torchvision versions >= 0.4.2.
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Jen Herting 2020-06-16 01:46:35 -04:00 committed by GitHub
parent 0111f2932f
commit d4f0a8f70b
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@ -42,3 +42,5 @@ class PyTorchvision(PythonPackage):
# Many of the datasets require additional dependencies to use.
# These can be installed after the fact.
depends_on('py-scipy', type='test')
depends_on('ffmpeg@3.1:', when='@0.4.2:')