Fix PadToSize impl to follow Transform API after torchvision 0.21 #629
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This PR fixes
PadToSizetransform in torchvision >= 0.21.Related issue: #584
In pytorch/vision#8787 of torchvision 0.21,
the
_transform()function of theTransformclass was renamed totransform(). The function was referenced from forward function, but since transform was not overridden inPadToSize, aNotImplementedErroroccurred.For backward compatibility of dependencies,
_transform()is left in thetransform()function.the
_get_params()function of theTransformclass was renamed tomake_params(). Thepaddingparam will not be calculated inPadToSize.For backward compatibility of dependencies,
_get_params()is left in themake_params()function.