add missing import to python unit test

johnwlambert · web-flow · commit db801f164d2f · 2021-07-10T10:31:27.000-04:00
diff --git a/python/gtsam/tests/test_ShonanAveraging.py b/python/gtsam/tests/test_ShonanAveraging.py
@@ -13,6 +13,7 @@
 import unittest
 
 import gtsam
+import numpy as np
 from gtsam import (
     BetweenFactorPose2,
     LevenbergMarquardtParams,
