A new shade of Black (#11362)

stubs/google-cloud-ndb/google/cloud/ndb/global_cache.pyi

@@ -59,6 +59,7 @@ class MemcacheCache(GlobalCache):
         key: Any
         def __init__(self, key) -> None: ...
         def __eq__(self, other): ...
+
     transient_errors: Any
     @classmethod
     def from_environment(cls, max_pool_size: int = ..., strict_read: bool = ..., strict_write: bool = ...) -> Self: ...