def proxy_url(self, maxwidth, url):
        if self.local:
            return url
        else:
            return resize_url(url, maxwidth)
Calculate the gradient of the cost function with respect to all learnable parameters of this
dataset/ETHPy150Open beetbox/beets/beets/util/artresizer.py/ArtResizer.proxy_url--crossover with--dataset/ETHPy150Open bbabenko/simple_convnet/simple_convnet/convnet.py/NNet.get_batch