diff --git a/scico/flax/train/spectral.py b/scico/flax/train/spectral.py
index 4bd0ce81..4925f210 100644
--- a/scico/flax/train/spectral.py
+++ b/scico/flax/train/spectral.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-"""Utils for spectral normalization of convolutional layers in Flax models.
-"""
+"""Utils for spectral normalization of convolutional layers in Flax models."""
 import warnings
 
 warnings.simplefilter(action="ignore", category=FutureWarning)