def _parse_short_form(comment, globalns, localns):
    """Return the hints from the comment.

    Parses the left-hand side of a type comment into a list of type objects.
    (e.g. everything to the left of "->").

    Returns:
        A list of types evaluated from the type comment in the given global
        name space.
    """
    if '(...)' in comment:
        return ()
    comment = comment.replace('*', '')
    hints = eval(comment, globalns, localns)
    if not isinstance(hints, tuple):
        hints = hints,
    return hints
