Thanks, Julien Voisin for the performance improvement

nedbat · nedbat · commit 8cebaf049b49 · 2020-01-04T16:25:16.000-05:00
diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
@@ -73,6 +73,7 @@ Jon Dufresne
 Joseph Tate
 Josh Williams
 Julian Berman
+Julien Voisin
 Justas Sadzevičius
 Krystian Kichewko
 Kyle Altendorf
