isort fix

Ming · Ming · commit 6ad47be62d4e · 2020-02-07T16:13:25.000-08:00
diff --git a/tests/test_cas.py b/tests/test_cas.py
@@ -2,10 +2,12 @@
 from __future__ import absolute_import
 
 import sys
+
 import pytest
-import cas
 from pytest import fixture
 
+import cas
+
 
 #general tests, apply to all protocols
 #
