Merge pull request #59 from facebookresearch/v0.1

Rename PassthroughRescaler to IdentityRescaler

Author: xiaomengy

rlmeta/core/rescalers.py

@@ -31,7 +31,7 @@ def recover(self, x: torch.Tensor) -> torch.Tensor:
         """
 
 
-class PassthroughRescaler(Rescaler):
+class IdentityRescaler(Rescaler):
 
     def rescale(self, x: torch.Tensor) -> torch.Tensor:
         return x