diff --git a/num2words/lang_BY.py b/num2words/lang_BY.py
index f0ace74e..ec825fd0 100644
--- a/num2words/lang_BY.py
+++ b/num2words/lang_BY.py
@@ -240,7 +240,6 @@ def to_ordinal(self, number, gender="m"):
                 if lastword[-1] == "ч":
                     lastword = lastword + "ны"
 
-
             elif lastword[-1] == "н" or lastword[-2] == "н":
                 lastword = lastword[: lastword.rfind("н") + 1] + "ны"
             elif lastword[-1] == "д" or lastword[-2] == "д":
diff --git a/tox.ini b/tox.ini
index 71beb41b..8e334bcf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ python =
     3.7: py37
     3.8: py38
 	3.9: py39
-	3.10: py310
+	3.10: isort, flake8, py310
     3.11: py311