Returns the tones available on unbabel

def get_tones(self):
        '''
            Returns the tones available on unbabel
        '''
        result = self.api_call('tone/')
        tones_json = json.loads(result.content)
        tones = [Tone(name=tone_json["tone"]["name"],
                      description=tone_json["tone"]["description"])
                 for tone_json in tones_json["objects"]]
        return tones