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Django 1.11.x < 1.11.28
Django 2.2.x < 2.2.10
Django 3.0.x < 3.0.3
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>>> import django
>>> django.get_version()
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Django 1.11.28ÏÂÔØµØÖ·£ºhttps://www.djangoproject.com/m/releases/1.11/Django-1.11.28.tar.gz
Django 2.2.10 ÏÂÔØµØÖ·£ºhttps://www.djangoproject.com/m/releases/2.2/Django-2.2.10.tar.gz
Django 3.0.3ÏÂÔØµØÖ·£ºhttps://www.djangoproject.com/m/releases/3.0/Django-3.0.3.tar.gz
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$ pip install -U Django
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https://docs.djangoproject.com/zh-hans/2.2/howto/upgrade-version
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https://www.djangoproject.com/weblog/2020/feb/03/security-releases


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