diff --git a/run_pylint.py b/run_pylint.py
index 6e08fdc20b75..107b25d649a0 100644
--- a/run_pylint.py
+++ b/run_pylint.py
@@ -103,8 +103,8 @@ def is_production_filename(filename):
     :rtype: boolean
     :returns: Boolean indicating production status.
     """
-    return not ('demo' in filename or 'test' in filename
-                or filename.startswith('regression'))
+    return not ('demo' in filename or 'test' in filename or
+                filename.startswith('regression'))
 
 
 def get_files_for_linting(allow_limited=True):