Add future imports

core/version_check.py

@@ -2,6 +2,13 @@
 # Author: Nic Wolfe <nic@wolfeden.ca>
 # Modified by: echel0n
 
+from __future__ import (
+    absolute_import,
+    division,
+    print_function,
+    unicode_literals,
+)
+
 import os
 import platform
 import re