[GitHub] piiswrong commented on a change in pull request #8725: [WIP] Fix custom op when used with need_top_grad=False

[GitBox <gi...@apache.org>]

piiswrong commented on a change in pull request #8725: [WIP] Fix custom op when used with need_top_grad=False
URL: https://github.com/apache/incubator-mxnet/pull/8725#discussion_r152071822
 
 

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 File path: python/mxnet/operator.py
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 @@ -563,7 +563,7 @@ def infer_storage_type_backward(self, in_stype):
             list of aux stypes calculated from in_stype,
             in the same order as declared in list_auxiliary_states.
         """
-        return in_stype, [in_stype[0]]*len(self.list_outputs()), \
+        return in_stype, [in_stype[0]]*len(self.list_arguments()), \
 
 Review comment:
   This looks wrong. Why is there only one argument to infer_storage_type_backward?

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