TypeError: request() got an unexpected keyword argument 'json'

>>> help(requests.post)

Help on function post in module requests.api:

post(url, data=None, **kwargs)

    Sends a POST request. Returns :class:`Response` object.

    :param url: URL for the new :class:`Request` object.

    :param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`.

    :param \*\*kwargs: Optional arguments that ``request`` takes.