def _get_unpacking_extra_info(node, infered):
more = "<STR_LIT>"<EOL>infered_module = infered.root().name<EOL>if node.root().name == infered_module:<EOL><INDENT>if node.lineno == infered.lineno:<EOL><INDENT>more = "<STR_LIT>" % infered.as_string()<EOL><DEDENT>elif infered.lineno:<EOL><INDENT>more = "<STR_LIT>" % infered.lineno<EOL><DEDENT><DEDENT>elif infered.lineno:<EOL><INDENT>more = "<STR_LIT>" % (infered.lineno, infered_module)<EOL><DEDENT>return more<EOL>
return extra information to add to the message for unpacking-non-sequence
    and unbalanced-tuple-unpacking errors