What can I do to resolve the "ModuleError: No module named 'new'" problem?

Question

我正在尝试运行一个程序，但我收到一条错误消息：

Traceback (most recent call last):
 File "C:\Users\mmv456\AppData\Local\Programs\Python\Python36\lib\site.py", line 168, in addpackage
  exec(line)
File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'new'

我试图在那个目录中找到这个 site.py 文件，但它不在那里，所以我看不出 python 文件中的问题到底是什么。感谢您对此提供的任何帮助。

编辑：添加代码：

import collections
import itertools
import sys

if sys.platform == 'cli':
    import System
    CPU_COUNT = System.Environment.ProcessorCount
else:
    #try:
    #    import multiprocessing
    #    CPU_COUNT = multiprocessing.cpu_count()
    #except ImportError:
    #    CPU_COUNT = 1

    # IronPython seems to be the only common Python implementation that   doesn't
    # have a GIL and therefore the only implementation that benefits from this.
    # Therefore, don't bother making any threads on other implementations.
CPU_COUNT = 1

try:
    import thread
    import threading
except ImportError:
    import dummy_threading as threading
    import _dummy_thread as thread
    CPU_COUNT = 1

Answer 1

ModuleNotFoundError: No module named 'new'这一行表示您的导入有误。

当我运行您刚刚发布的代码时运行非常完美，但是如果我添加 import new 它会给出与您一样的确切错误：

import collections
import itertools
import sys
import new # I just added

if sys.platform == 'cli':
    import System
    CPU_COUNT = System.Environment.ProcessorCount
else:
    #try:
    #    import multiprocessing
    #    CPU_COUNT = multiprocessing.cpu_count()
    #except ImportError:
    #    CPU_COUNT = 1

    # IronPython seems to be the only common Python implementation that   doesn't
    # have a GIL and therefore the only implementation that benefits from this.
    # Therefore, don't bother making any threads on other implementations.
CPU_COUNT = 1

try:
    import thread
    import threading
except ImportError:
    import dummy_threading as threading
    import _dummy_thread as thread
    CPU_COUNT = 1

错误：

(python37) C:\Users\Documents>py test.py
Traceback (most recent call last):
  File "test.py", line 685, in <module>
    import new
ModuleNotFoundError: No module named 'new'

但问题是我的错误在 test.py 中，但你指向的是 site.py，它在 python 库中。这意味着您的 python 环境出了问题。甚至全世界都有类似的issues

Simple solution is uninstalling and reinstalling your python environment.

What can I do to resolve the "ModuleError: No module named 'new'" problem?

What can I do to resolve the "ModuleError: No module named 'new'" problem?

python

debugging

libraries

python-3.x