import

Signed-off-by: Justin Chu <justinchuby@users.noreply.github.com>

Author: justinchuby

onnxscript/optimizer/_optimizer.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import logging
+from typing import Callable
 
 import onnx_ir as ir
 import onnx_ir.passes.common as common_passes