|  | @@ -16,19 +16,22 @@ def _start_command(
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				|  |  |      update: telegram.update.Update,
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				|  |  |      context: telegram.ext.callbackcontext.CallbackContext,
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				|  |  |  ):
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				|  |  | -    update.effective_chat.send_message(text=f"chat_data={context.chat_data}",)
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				|  |  | +    if "last_photo_message_id" in context.chat_data:
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				|  |  | +        # https://github.com/python-telegram-bot/python-telegram-bot/pull/2043
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				|  |  | +        context.bot.send_location(
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				|  |  | +            chat_id=update.effective_chat.id,
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				|  |  | +            latitude=48,
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				|  |  | +            longitude=16,
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				|  |  | +            reply_to_message_id=context.chat_data["last_photo_message_id"],
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				|  |  | +        )
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				|  |  | +    update.effective_chat.send_message(text=f"chat_data={context.chat_data}")
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				|  |  |      photo_request = requests.get(
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				|  |  |          "https://upload.wikimedia.org/wikipedia/commons/c/cf/Clematis_alpina_02.jpg"
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				|  |  |      )
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				|  |  | -    update.effective_chat.send_photo(photo=io.BytesIO(photo_request.content))
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				|  |  | -    # https://github.com/python-telegram-bot/python-telegram-bot/pull/2043
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				|  |  | -    context.bot.send_location(
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				|  |  | -        chat_id=update.effective_chat.id,
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				|  |  | -        latitude=48,
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				|  |  | -        longitude=16,
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				|  |  | -        # reply_to_message_id TODO
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				|  |  | +    photo_message = update.effective_chat.send_photo(
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				|  |  | +        photo=io.BytesIO(photo_request.content)
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				|  |  |      )
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				|  |  | -    context.chat_data["last_update"] = update.message.date
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				|  |  | +    context.chat_data["last_photo_message_id"] = photo_message.message_id
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				|  |  |  
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				|  |  |  
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				|  |  |  def _main():
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