diff --git a/tools/pyir.py b/tools/pyir.py
index 9ad8e93e8..0482fcfc7 100755
--- a/tools/pyir.py
+++ b/tools/pyir.py
@@ -16,6 +16,7 @@
 #
 
 import abc
+import argparse
 import contextlib
 import importlib
 import inspect
@@ -26,9 +27,6 @@ import shutil
 import sys
 import tempfile
 
-import argparse
-import six
-
 from oslo_serialization import jsonutils
 
 __version__ = '0.0.2'