fix EmbeddingSum offsets initialization

torch/nn/modules/sparse.py

@@ -197,7 +197,7 @@ def forward(self, input, offsets=None):
                                  " fixed length sequences. However, found "
                                  "offsets of type {}".format(type(offsets)))
             else:
-                offsets = input.new(input.size(0)).fill_(input.size(1))
+                offsets = input.data.new(input.size(0)).fill_(input.size(1))
         elif input.dim() != 1:
             raise ValueError("input has to be 1D or 2D Tensor,"
                              " but got Tensor of dimension {}".format(input.dim()))