Fix building on modern nixpkgs/for python3.13

default.nix

@@ -13,7 +13,6 @@ pkgs.python3.pkgs.buildPythonPackage rec {
   ];
 
   dependencies = with pkgs.python3.pkgs; [
-    future
     jsonschema
     psutil
   ];

pyproject.toml

@@ -10,7 +10,6 @@ name = "vmrunner"
 version = "0.16.0"
 description = "A qemu convenience wrapper for writing integration tests"
 dependencies = [
-    "future",
     "jsonschema",
     "psutil",
 ]

vmrunner/bin/qemu-ifdown

@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/sh
 # ==============================================================================
 # Simple tap-networking for IncludeOS on Qemu
 # ==============================================================================

vmrunner/bin/qemu-ifup

@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/sh
 # ==============================================================================
 # Simple tap-networking for IncludeOS on Qemu
 # ==============================================================================

vmrunner/boot.py

@@ -3,8 +3,6 @@
 
 # pylint: disable=invalid-name
 
-from __future__ import print_function
-
 import os
 import sys
 import argparse

vmrunner/prettify.py

@@ -1,8 +1,8 @@
+#!/usr/bin/env python3
 """ pretty printer for vmrunner """
 
 # pylint: disable=invalid-name,line-too-long
 
-from __future__ import print_function
 from builtins import str
 from builtins import range
 

vmrunner/validate_vm.py

@@ -1,10 +1,8 @@
-#! /usr/bin/env python3
+#!/usr/bin/env python3
 """ validate VM configuration against schema """
 
 # pylint: disable=invalid-name
 
-from __future__ import print_function
-
 import json
 import sys
 import os

vmrunner/vmrunner.py

@@ -5,10 +5,6 @@
 
 # pylint: disable=line-too-long, too-many-lines, invalid-name, fixme, broad-exception-raised, broad-exception-caught, too-many-arguments, too-many-branches, too-many-statements, too-many-instance-attributes, too-many-locals
 
-from __future__ import print_function
-from __future__ import absolute_import
-
-
 from builtins import hex
 from builtins import chr
 from builtins import str