Remove python2 support from tests/utils scripts
diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index bce99a4..e6e6113 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -1,8 +1,6 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # flake8: noqa
 
-from __future__ import print_function, division, absolute_import
-
 import io
 import sys