code: def send_voice(self, voice, **options):
          
          return self.bot.api_call(
              "sendVoice", chat_id=str(self.id), voice=voice, **options
          )
docs: Send an OPUS-encoded .ogg audio file.
  
          :param voice: Object containing the audio data
          :param options: Additional sendVoice options (see
              https://core.telegram.org/bots/api#sendvoice)
  
          :Example:
  
          >>> with open("voice.ogg", "rb") as f:
          >>>     await chat.send_voice(f)