def __append__(self,command, params, relative=True):
        d = self.get_d()
        if relative==True:
            d+=command.lower()
        else:
            d+=command.upper()
        for param in params:
            d+=(param) %' %s '
        self.set_d(d)
dataset/ETHPy150Open ofermend/medicare-demo/socialite/jython/Lib/site-packages/pysvg/shape.py/path.__append__/swapped operands of `%`