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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def delete_chat_photo( self, chat_id: Union[int, str] ) -> bool: """Use this method to delete a chat photo. Photos can't be changed for private chats. You must be an administrator in the chat for this to work and must have the appropriate admin rights. Note: In regular groups (non-supergroups), this method will only work if the "All Members Are Admins" setting is off. Args: chat_id (``int`` | ``str``):
 Unique identifier (int) or username (str) of the target chat. Returns: True on success. Raises: :class:`RPCError <pyrogram.RPCError>` in case of a Telegram RPC error. ``ValueError`` if a chat_id belongs to user. """

        peer = self.resolve_peer(chat_id)

        if isinstance(peer, types.InputPeerChat):
            self.send(
                functions.messages.EditChatPhoto(
                    chat_id=peer.chat_id,
                    photo=types.InputChatPhotoEmpty()
                )
            )
        elif isinstance(peer, types.InputPeerChannel):
            self.send(
                functions.channels.EditPhoto(
                    channel=peer,
                    photo=types.InputChatPhotoEmpty()
                )
            )
        else:
            raise ValueError("The chat_id \"{}\" belongs to a user".format(chat_id))

        return True