diff --git a/graphene/types/objecttype.py b/graphene/types/objecttype.py
index 5f29ca0f..d707c1c5 100644
--- a/graphene/types/objecttype.py
+++ b/graphene/types/objecttype.py
@@ -6,6 +6,7 @@ from .interface import Interface
 from .utils import yank_fields_from_attrs
 
 from dataclasses import make_dataclass, field
+
 # For static type checking with type checker
 if TYPE_CHECKING:
     from typing import Dict, Iterable, Type  # NOQA