diff --git a/_vendor/collections_extended/setlists.py b/_vendor/collections_extended/setlists.py
index e772f9cd..394a3eea 100644
--- a/_vendor/collections_extended/setlists.py
+++ b/_vendor/collections_extended/setlists.py
@@ -1,6 +1,12 @@
 """Setlist class definitions."""
 import random as random_
-from collections import Hashable, MutableSequence, MutableSet, Sequence, Set
+from collections import (
+    Hashable,
+    MutableSequence,
+    MutableSet,
+    Sequence,
+    Set,
+)
 
 from . import _util