Fixing flake8 W errors

stdlib/3.4/asyncio/tasks.pyi

@@ -54,4 +54,3 @@ class Task(Future[_T], Generic[_T]):
     def cancel(self) -> bool: ...
     def _step(self, value: Any = ..., exc: Exception = ...) -> None: ...
     def _wakeup(self, future: Future[Any]) -> None: ...
-

stdlib/3.4/pathlib.pyi

@@ -93,9 +93,9 @@ class Path(PurePath):
     if sys.version_info >= (3, 5):
         @classmethod
         def home(cls: Type[_P]) -> _P: ...
-        def __new__(cls: Type[_P], *args: Union[str, PurePath], 
+        def __new__(cls: Type[_P], *args: Union[str, PurePath],
                     **kwargs: Any) -> _P: ...
-        
+
         def absolute(self: _P) -> _P: ...
         def expanduser(self: _P) -> _P: ...
         def read_bytes(self) -> bytes: ...
@@ -105,7 +105,7 @@ class Path(PurePath):
         def write_bytes(self, data: bytes) -> int: ...
         def write_text(self, data: str, encoding: Optional[str] = ...,
                        errors: Optional[str] = ...) -> int: ...
-        
+
 
 class PosixPath(Path, PurePosixPath): ...
 class WindowsPath(Path, PureWindowsPath): ...