c6eea03c8db29b1d8aee492246b9a4135ddee7c5,keras/engine/topology.py,Layer,output_shape,#Layer#,836

Before Change

        or if all inbound nodes have the same output shape.
        """
        if not self.inbound_nodes:
            raise Exception("The layer has never been called " +
                            "and thus has no defined output shape.")
        all_output_shapes = set([str(node.output_shapes) for node in self.inbound_nodes])
        if len(all_output_shapes) == 1:
            output_shapes = self.inbound_nodes[0].output_shapes
            if len(output_shapes) == 1:

After Change

        or if all inbound nodes have the same output shape.
        """
        if not self.inbound_nodes:
            raise AttributeError("The layer has never been called "
                                 "and thus has no defined output shape.")
        all_output_shapes = set([str(node.output_shapes) for node in self.inbound_nodes])
        if len(all_output_shapes) == 1:
            output_shapes = self.inbound_nodes[0].output_shapes
            if len(output_shapes) == 1:

Instances