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几天以来我遇到了这个奇怪的错误,大多数应用程序/框架/模块将拒绝运行,因为模块 deepcopy 不可用我不明白为什么会这样?
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/pymodules/python2.6/django/http/__init__.py", line 13, in <module>
from django.utils.datastructures import MultiValueDict, ImmutableList
File "/usr/lib/pymodules/python2.6/django/utils/datastructures.py", line 3, in <module>
from django.utils.copycompat import deepcopy
ImportError: cannot import name deepcopy
为什么会这样?以及如何修复?