Deprecation warning

Author: AntoinePrv

torch_sparse/spspmm.py

@@ -37,7 +37,7 @@ def forward(ctx, indexA, valueA, indexB, valueB, m, k, n):
     @staticmethod
     def backward(ctx, grad_indexC, grad_valueC):
         m, k, n = ctx.m, ctx.k, ctx.n
-        indexA, valueA, indexB, valueB, indexC = ctx.saved_variables
+        indexA, valueA, indexB, valueB, indexC = ctx.saved_tensors
 
         grad_valueA = grad_valueB = None