diff --git a/test/test_distributions.py b/test/test_distributions.py
index dd89172c2..03c5813d6 100644
--- a/test/test_distributions.py
+++ b/test/test_distributions.py
@@ -1,5 +1,6 @@
 # Copyright Contributors to the Pyro project.
 # SPDX-License-Identifier: Apache-2.0
+
 from collections import namedtuple
 from functools import partial
 import inspect