def remove_text_block(self, text_block):
        """Remove text block instance from node layout.

        text_block (graphman.textblock.main.TextBlock obj)
        """
        ### remove text block from the text block list
        remove_by_identity(text_block, self.text_blocks)

        ### remove the text block data from the text
        ### block data list

        remove_by_identity(text_block.data, self.text_blocks_data)
Remove text block instance from node layout.

        text_block (graphman.textblock.main.TextBlock obj)
        
nodezator/graphman/editlogic.py