[GitHub] piiswrong commented on a change in pull request #8152: gluon improvement

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

piiswrong commented on a change in pull request #8152: gluon improvement
URL: https://github.com/apache/incubator-mxnet/pull/8152#discussion_r148708864
 
 

 ##########
 File path: python/mxnet/gluon/rnn/rnn_layer.py
 ##########
 @@ -89,8 +89,9 @@ def __repr__(self):
         if self._dir == 2:
             s += ', bidirectional'
         s += ')'
-        mapping = ('{_input_size} -> {_hidden_size}'.format(**self.__dict__) if self._input_size
-                   else self._hidden_size)
+        shape = self.i2h_weight[0].shape
+        mapping = ('{0} -> {1}'.format(shape[1], shape[0]) if shape[1]
 
 Review comment:
   It should show None -> xx when shape is not defined yet

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