def _maybe_normalize(self, var):
if self.normalize:<EOL><INDENT>try:<EOL><INDENT>return self._norm.normalize(var)<EOL><DEDENT>except HGVSUnsupportedOperationError as e:<EOL><INDENT>_logger.warning(str(e) + "<STR_LIT>")<EOL><DEDENT><DEDENT>return var<EOL>
normalize variant if requested, and ignore HGVSUnsupportedOperationError
        This is better than checking whether the variant is intronic because
        future UTAs will support LRG, which will enable checking intronic variants.