code: def get_tokens(self, filters={}):
          
          uri = 'tokens'
  
          if filters:
              filters = {'filters': json.dumps(filters)}
              uri += "?%s" % urllib.urlencode(filters, True)
  
          resp, body = self.get(uri)
          self.expected_success(200, resp.status)
          body = json.loads(body)
          return rest_client.ResponseBody(resp, body)
docs: Returns dict of tokens matching the provided filters