def repr_flag(flag):
 return u'{0}{1}{2}'.format((u'R' if (flag & READ) else u''), (u'W' if (flag & WRITE) else u''), (u'!' if (flag & ERR) else u''))

def repr_flag ( flag ) : return u'{0}{1}{2}' . format ( ( u'R' if ( flag & READ ) else u'' ) , ( u'W' if ( flag & WRITE ) else u'' ) , ( u'!' if ( flag & ERR ) else u'' ) )
return description of event loop flag .