GeezerVison

    def request(self, method, url, body=None, headers={}, *,
                encode_chunked=False):
        """Send a complete request to the server."""
        self._send_request(method, url, body, headers, encode_chunked)

    def _send_request(self, method, url, body, headers, encode_chunked):
        # ...
        # It also gets passed to _get_content_length(), which also supports str
        # ...

        if isinstance(body, str):
            # RFC 2616 Section 3.7.1 says that text default has a
            # default charset of iso-8859-1.
            body = _encode(body, 'body')
        self.endheaders(body, encode_chunked=encode_chunked)