diff --git a/featureflags_client/tests/http/test_conditions.py b/featureflags_client/tests/http/test_conditions.py
index 4d42bb1..73bc669 100644
--- a/featureflags_client/tests/http/test_conditions.py
+++ b/featureflags_client/tests/http/test_conditions.py
@@ -98,8 +98,8 @@ def test_percent():
 
     assert check_op(_UNDEFINED, percent, 100) is False
 
-    assert check_op("foo", percent, '100') is True
-    assert check_op("foo", percent, 'not_number') is False
+    assert check_op("foo", percent, "100") is True
+    assert check_op("foo", percent, "not_number") is False
 
 
 def test_regexp():