diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 8b36a7864..accb6e443 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -22,7 +22,8 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
-import sys, os
+import os
+import sys
 from watcher import version as watcher_version
 
 # If extensions (or modules to document with autodoc) are in another directory,