Fixing flake8 W errors

stdlib/2and3/pstats.pyi

@@ -31,4 +31,3 @@ class Stats:
     def print_call_line(self, name_size: int, source: str, call_dict: Dict[str, Any], arrow: str = ...) -> None: ...
     def print_title(self) -> None: ...
     def print_line(self, func: str) -> None: ...
-

stdlib/2and3/zipimport.pyi

@@ -16,4 +16,3 @@ class zipimporter(object):
     def get_source(self, fullname: str) -> Optional[str]: ...
     def is_package(self, fullname: str) -> bool: ...
     def load_module(self, fullname: str) -> ModuleType: ...
-