diff --git a/packages/flatpak/server.py b/packages/flatpak/server.py
index b7b6d783..8218e6bc 100644
--- a/packages/flatpak/server.py
+++ b/packages/flatpak/server.py
@@ -9,4 +9,5 @@ def static_dir(path):
 
 
 if __name__ == "__main__":
+    """Return the pathname of the directory."""
     app.run(host="0.0.0.0", port=5000, debug=True)