How to use the treq.text_content function in treq

"""
    return _log_request(treq.patch, url, data=data, **kwargs)


def delete(url, **kwargs):
    """
    Wrapper around :meth:`treq.delete` that logs the request.

    See :py:func:`treq.delete`
    """
    return _log_request(treq.delete, url, **kwargs)


json_content = treq.json_content
content = treq.content
text_content = treq.text_content


__version__ = treq.__version__

def upload_data(self, src, dst):
        proxy_id = dst['proxy_id']

        proxy_addr = yield get_proxy(proxy_id)

        if proxy_addr:
            # proxy addr format: (ip, ctrl_port, file_port, stream_ws_port, stream_restful_port)
            url = 'https://%s:%d' % (str(proxy_addr[0]), int(proxy_addr[2]))

            data = open(src, 'rb')
            resp = yield treq.post(url, agent=no_verify_agent(), data=data, stream=True)
            if resp:
                file_path = yield treq.text_content(resp)
                file_url = '%s/%s' % (url, file_path)

                return file_url

def upload_data(self, src, dst, port=None):
        proxy_id = dst['proxy_id']

        proxy_addr = yield get_proxy(proxy_id, port)

        if proxy_addr:
            # proxy addr format: (ip, ctrl_port, file_port, stream_ws_port, stream_restful_port)
            url = 'https://%s:%d' % (str(proxy_addr[0]), int(proxy_addr[2]))

            data = open(src, 'rb')
            resp = yield treq.post(url, agent=no_verify_agent(), data=data, stream=True)
            if resp:
                file_path = yield treq.text_content(resp)
                file_url = '%s/%s' % (url, file_path)

                return file_url