diff --git a/tools/install_venv.py b/tools/install_venv.py
index 795c2eb2b..468d1134d 100644
--- a/tools/install_venv.py
+++ b/tools/install_venv.py
@@ -43,7 +43,7 @@ def print_help(project, venv, root):
 
     $ %(root)s/tools/with_venv.sh <your command>
     """
-    print (help % dict(project=project, venv=venv, root=root))
+    print(help % dict(project=project, venv=venv, root=root))
 
 
 def main(argv):