为什么我在python 3.3上导入进程时出现导入错误？

Question

我在python 3.3中导入Process时收到以下错误.有什么理由我会得到这样的错误,还是这个错误？我在另一个终端窗口运行django服务器,但我怀疑这与此有什么关系.

Python 3.3.2 (default, Nov  8 2013, 13:38:57) 
[GCC 4.8.2 20131017 (Red Hat 4.8.2-1)] on linux
Type "help", "copyright", "credits" or "license" for more information.
# extension module loaded from '/usr/lib64/python3.3/lib-dynload/readline.cpython-33m.so'
import 'readline' # <_frozen_importlib.ExtensionFileLoader object at 0x7f8a00fc1050>
>>> from multiprocessing import Process
# ./__pycache__/multiprocessing.cpython-33.pyc matches ./multiprocessing.py
# code object from ./__pycache__/multiprocessing.cpython-33.pyc
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<frozen importlib._bootstrap>", line 1567, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1534, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 586, in _check_name_wrapper
  File "<frozen importlib._bootstrap>", line 1024, in load_module
  File "<frozen importlib._bootstrap>", line 1005, in load_module
  File "<frozen importlib._bootstrap>", line 562, in module_for_loader_wrapper
  File "<frozen importlib._bootstrap>", line 870, in _load_module
  File "<frozen importlib._bootstrap>", line 313, in _call_with_frames_removed
  File "./multiprocessing.py", line 1, in <module>
    from multiprocessing import Process
ImportError: cannot import name Process

Answer 1

File "./multiprocessing.py"回溯中的行表明您multiprocessing.py在工作目录中有一个文件.

尝试删除/重命名它,因为它会影响真实multiprocessing模块.这里的问题是你的第一个条目sys.path总是''如此,因此工作目录中的文件在执行时将优先于标准模块import.