Upgrade black version (#7089)

stdlib/zipimport.pyi

@@ -20,6 +20,7 @@ class zipimporter:
     def get_filename(self, fullname: str) -> str: ...
     if sys.version_info >= (3, 7):
         def get_resource_reader(self, fullname: str) -> ResourceReader | None: ...  # undocumented
+
     def get_source(self, fullname: str) -> str | None: ...
     def is_package(self, fullname: str) -> bool: ...
     def load_module(self, fullname: str) -> ModuleType: ...