remove one call to is_graph_input

Author: sdpython

tf2onnx/graph.py

@@ -674,9 +674,10 @@ def reset_nodes(self, ops):
         for op in ops:
             for op_output in op.output:
                 self._output_to_node_name[op_output] = op.name
-            if op.is_graph_input():  # op.type == 'Placeholder':
-                inps = [op.name]
-            elif op.type == 'Const':
+            # if op.is_graph_input():  # op.type == 'Placeholder':
+            #     inps = [op.name]
+            # el
+            if op.type == 'Const':
                 inps = [op.name]
             else:
                 inps = op.input