Lowercase function name

Author: hugovk

tests/test_i18n.py

@@ -213,7 +213,7 @@ def test_en_locale(self) -> None:
         humanize.i18n.deactivate()
 
     @freeze_time("2020-02-02")
-    def test_None_locale(self) -> None:
+    def test_none_locale(self) -> None:
         three_seconds = NOW - dt.timedelta(seconds=3)
 
         try: