fix pylint

nbcsm · nbcsm · commit a8979cf1e4ae · 2019-05-14T17:21:03.000+08:00
diff --git a/tf2onnx/shape_inference.py b/tf2onnx/shape_inference.py
@@ -9,7 +9,6 @@
 from __future__ import print_function
 from __future__ import unicode_literals
 import logging
-import os
 from distutils.version import LooseVersion
 from collections import defaultdict
 
