def _translate_setter(setter):
    field = setter.field
    if field in _KNOWN_FIELDS:
        value = setter.value
        if value:
            if _MAY_HAVE_GRADIENT in field:
                value = _translate_gradient(value)
            value = u'    %s: %s;' % (field, value)
            return value
dataset/ETHPy150Open nucleic/enaml/enaml/qt/styleutil.py/_translate_setter/swapped operands of `in`