code: def get_input_chat_photo(photo):
      
      try:
          if photo.SUBCLASS_OF_ID == 0xd4eb2d74:  # crc32(b'InputChatPhoto')
              return photo
          elif photo.SUBCLASS_OF_ID == 0xe7655f1f:  # crc32(b'InputFile'):
              return types.InputChatUploadedPhoto(photo)
      except AttributeError:
          _raise_cast_fail(photo, 'InputChatPhoto')
  
      photo = get_input_photo(photo)
      if isinstance(photo, types.InputPhoto):
          return types.InputChatPhoto(photo)
      elif isinstance(photo, types.InputPhotoEmpty):
          return types.InputChatPhotoEmpty()
  
      _raise_cast_fail(photo, 'InputChatPhoto')
docs: Similar to :meth:`get_input_peer`, but for chat photos