Cleanup of type issues in models/model_utils #3251
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Summary: A
TypeVar
indicates that multiple objects (e.g. an argument and a return type) are the same type. UsingTypeVar
s with functions that work with either numpy arrays or torch tensors indicates that either everything is a numpy array or everything is a tensor. Otherwise, Pyre has no idea whether arrays might be randomly turning into tensors and vice versa.Differential Revision: D68332888