diff --git a/music21/musicxml/xmlToM21.py b/music21/musicxml/xmlToM21.py
index e5ed22e7c..f1ae782c3 100644
--- a/music21/musicxml/xmlToM21.py
+++ b/music21/musicxml/xmlToM21.py
@@ -2873,7 +2873,9 @@ def xmlToChord(self, mxNoteList: list[ET.Element]) -> chord.ChordBase:
                 if type(art) in seenArticulations:
                     continue
                 c.articulations.append(art)
-                if not isinstance(art, (articulations.Fingering, articulations.StringIndication, articulations.FretIndication)):
+                if not isinstance(art, (articulations.Fingering,
+                                        articulations.StringIndication,
+                                        articulations.FretIndication)):
                     seenArticulations.add(type(art))
             for exp in n.expressions:
                 if type(exp) in seenExpressions: