DeprecationWarning: the imp module is deprecated in favour of importlib

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这是一个“弃用警告”，即模块imp已被弃用，根据错误提示上说使用importlib代替。

 DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
弃用警告：imp模块已被弃用，使用importlib代替；有关其他用途，请参阅模块的文档

  from imp import reload      # moved to a module in Python 3.X    移动到Python3.X中的一个模块

修改为：

from importlib import reload

即可。

定位到imp模块内，查看模块注释，可以看到更多信息。

"""This module provides the components needed to build your own __import__
function.  Undocumented functions are obsolete.

In most cases it is preferred you consider using the importlib module's
functionality over this module.

这个模块提供了构建您自己的_import__函数所需的组件。未文档化的函数已经过时。
在大多数情况下，您最好考虑在此模块之上使用importlib模块的功能。
"""
# (Probably) need to stay in _imp
from _imp import (lock_held, acquire_lock, release_lock,
                  get_frozen_object, is_frozen_package,
                  init_frozen, is_builtin, is_frozen,
                  _fix_co_filename)
try:
    from _imp import create_dynamic
except ImportError:
    # Platform doesn't support dynamic loading.
    create_dynamic = None

from importlib._bootstrap import _ERR_MSG, _exec, _load, _builtin_from_name
from importlib._bootstrap_external import SourcelessFileLoader

from importlib import machinery
from importlib import util
import importlib
import os
import sys
import tokenize
import types
import warnings

warnings.warn("the imp module is deprecated in favour of importlib; "
              "see the module's documentation for alternative uses",
              DeprecationWarning, stacklevel=2)