'Quantities are able to directly convert to other units that
have the same physical type.  This function is implemented in
order to make autocompletion still work correctly in IPython.'

@override__dir__
def __dir__(self):

    if (not self._include_easy_conversion_members):
        return []
    extra_members = set()
    equivalencies = Unit._normalize_equivalencies(self.equivalencies)
    for equivalent in self.unit._get_units_with_same_physical_type(equivalencies):
        extra_members.update(equivalent.names)
    return extra_members
