diff --git a/graphene/relay/connection.py b/graphene/relay/connection.py
index 69cbd60b..f3b1322b 100644
--- a/graphene/relay/connection.py
+++ b/graphene/relay/connection.py
@@ -13,12 +13,18 @@ from .node import is_node, AbstractNode
 
 
 def get_edge_class(
-    connection_class: Type["Connection"], _node: Type[AbstractNode], base_name: str, strict_types: bool = False
+    connection_class: Type["Connection"],
+    _node: Type[AbstractNode],
+    base_name: str,
+    strict_types: bool = False,
 ):
     edge_class = getattr(connection_class, "Edge", None)
 
     class EdgeBase:
-        node = Field(NonNull(_node) if strict_types else _node, description="The item at the end of the edge")
+        node = Field(
+            NonNull(_node) if strict_types else _node, 
+            description="The item at the end of the edge"
+        )
         cursor = String(required=True, description="A cursor for use in pagination")
 
     class EdgeMeta:
@@ -83,7 +89,9 @@ class Connection(ObjectType):
         abstract = True
 
     @classmethod
-    def __init_subclass_with_meta__(cls, node=None, name=None, strict_types=False, _meta=None, **options):
+    def __init_subclass_with_meta__(
+        cls, node=None, name=None, strict_types=False, _meta=None, **options
+    ):
         if not _meta:
             _meta = ConnectionOptions(cls)
         assert node, f"You have to provide a node in {cls.__name__}.Meta"