#NEWLINE# def _isub__( self , rhs ) : #NEWLINE# #INDENT# 'Subtracts another vector (or a collection of 3 numbers) from this\n        vector.\n\n        rhs -- Vector or sequence of 3 values\n\n        ' #NEWLINE# ( ox , oy , oz ) = rhs #NEWLINE# v = self . _v #NEWLINE# v [ 0 ] -= ox #NEWLINE# v [ 1 ] -= ox #NEWLINE# v [ 2 ] -= oz #NEWLINE# return self