diff --git a/tenacity/retry.py b/tenacity/retry.py
index f792459..d5f82cd 100644
--- a/tenacity/retry.py
+++ b/tenacity/retry.py
@@ -25,6 +25,7 @@
 if sys.version_info < (3, 11):
     from exceptiongroup import BaseExceptionGroup
 
+
 class retry_base(abc.ABC):
     """Abstract base class for retry strategies."""
 
diff --git a/tests/test_tenacity.py b/tests/test_tenacity.py
index d31e11a..88547e4 100644
--- a/tests/test_tenacity.py
+++ b/tests/test_tenacity.py
@@ -1095,7 +1095,7 @@ def test_retry_if_exception_of_type_exceptiongroup(self):
         with pytest.raises(ExceptionGroup):
             self.assertTrue(
                 _retryable_test_with_exception_type_io(
-                    NoExceptionGroupAfterCount(5, exceptions=(IOError(),ValueError()))
+                    NoExceptionGroupAfterCount(5, exceptions=(IOError(), ValueError()))
                 )
             )
         # not supported
@@ -1108,8 +1108,6 @@ def test_retry_if_exception_of_type_exceptiongroup(self):
                 )
             )
 
-
-
     def test_retry_except_exception_of_type(self):
         self.assertTrue(
             _retryable_test_if_not_exception_type_io(NoNameErrorAfterCount(5))