PIP无法在VIrtualenv中安装Django

Question

(myenv) wanjila@wanjila:~/Desktop/Python-Area/projects/Djangular$ pip freeze
djangorestframework==3.7.3
pkg-resources==0.0.0
(myenv) wanjila@wanjila:~/Desktop/Python-Area/projects/Djangular$ pip install django
Collecting django
  Using cached Django-2.0.tar.gz
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-qAnv7G/django/setup.py", line 32, in <module>
        version = __import__('django').get_version()
      File "django/__init__.py", line 1, in <module>
        from django.utils.version import get_version
      File "django/utils/version.py", line 61, in <module>
        @functools.lru_cache()
    AttributeError: 'module' object has no attribute 'lru_cache'

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每当我尝试在我的virtualenv内部安装django时,我都会收到这个错误.我怎样才能解决这个问题.

Answer 1

作为wim答案的替代方案,如果由于某种原因无法升级Python版本,可以安装仍然与Python 2.7兼容的Django 1.11:

pip install 'django<2.0'