Method copy

source/python.js:12440–12444

()

                this.all_blocks.delete(b);
            }
            copy() {
                const new_g = new torch.Graph();
                new_g.cloneFrom(this);
                return new_g;
            }
            cloneFrom(src) {
                const env = (v) => {
                    throw new python.Error(`Use of value '${v.debugName()}' not in scope.`);