How to use the twython.helpers._transparent_params function in twython

def _request(self, url, method='GET', params=None, api_call=None, json_encoded=False):
        """Internal request method"""
        method = method.lower()
        params = params or {}

        func = getattr(self.client, method)
        if isinstance(params, dict) and json_encoded is False:
            params, files = _transparent_params(params)
        else:
            params = params
            files = list()

        requests_args = {}
        for k, v in self.client_args.items():
            # Maybe this should be set as a class variable and only done once?
            if k in ('timeout', 'allow_redirects', 'stream', 'verify'):
                requests_args[k] = v

        if method == 'get' or method == 'delete':
            requests_args['params'] = params
        else:
            # Check for json_encoded so we will sent params as "data" or "json"
            if json_encoded:
                data_key = 'json'

:rtype: string

        Usage::

          >>> from twython import Twython
          >>> twitter = Twython()

          >>> api_url = 'https://api.twitter.com/1.1/search/tweets.json'
          >>> constructed_url = twitter.construct_api_url(api_url, q='python',
          result_type='popular')
          >>> print constructed_url
          https://api.twitter.com/1.1/search/tweets.json?q=python&result_type=popular

        """
        querystring = []
        params, _ = _transparent_params(params or {})
        params = requests.utils.to_key_val_list(params)
        for (k, v) in params:
            querystring.append(
                '%s=%s' % (Twython.encode(k), quote_plus(Twython.encode(v)))
            )
        return '%s?%s' % (api_url, '&'.join(querystring))

def _request(self, url, method='GET', params=None):
        """Internal stream request handling"""
        self.connected = True
        retry_counter = 0

        method = method.lower()
        func = getattr(self.client, method)
        params, _ = _transparent_params(params)

        def _send(retry_counter):
            requests_args = {}
            for k, v in self.client_args.items():
                # Maybe this should be set as a class
                # variable and only done once?
                if k in ('timeout', 'allow_redirects', 'verify'):
                    requests_args[k] = v

            while self.connected:
                try:
                    if method == 'get':
                        requests_args['params'] = params
                    else:
                        requests_args['data'] = params