no need to use relu, clip will keep the value between 0 and 6

Author: guschmue

tf2onnx/onnx_opset/math.py

@@ -135,10 +135,10 @@ class Relu6:
     @classmethod
     def version_4(cls, ctx, node, **kwargs):
         # relu6 = min(max(features, 0), 6)
-        node.type = "Relu"
-        clip_name = utils.make_name(node.name)
-        clip_node = ctx.insert_new_node_on_output("Clip", node.output[0], name=clip_name, min=0.0, max=6.0)
-        ctx.copy_shape(node.output[0], clip_node.output[0])
+        # relu6 = min(max(features, 0), 6)
+        node.type = "Clip"
+        node.set_attr("min", 0.0)
+        node.set_attr("max", 6.0)
 
 
 @tf_op("Rsqrt")