Method handleMaybeNoReturn

source/python.js:17837–17850

(def, block)

                return `${prefix}${this._temp_name_count++}`;
            }
            handleMaybeNoReturn(def, block) {
                const decl_ret = this._def_stack[this._def_stack.length - 1]._declared_return_type;
                if (this.exit_blocks.size === 0) {
                    if (decl_ret && decl_ret !== torch.NoneType.get()) {
                        throw new python.Error('Function was not annotated as having type None, but does not return along all paths.');
                    }
                    const b = new torch._C.WithInsertPoint(block.nodes().end());
                    // this.emitReturn(Return::create(def.range(), Expr(Compound::create(TK_NONE, def.range(), {}))));
                    b.dispose();
                    throw new python.Error("'torch._C.to_ir.handleMaybeNoReturn' not implemented.");
                } else if (this._def_stack[this._def_stack.length - 1]._merged_return_type === null) {
                    this._def_stack[this._def_stack.length - 1]._merged_return_type = decl_ret === null ? torch.NoneType.get() : decl_ret;
                }
            }
            getAdjTupleIndex(loc, tuple_type, input_index, allow_out_of_bounds) {
                let adj_index = input_index;
                const tuple_len = tuple_type.elements().length;