Django教程 - 未正确配置的异常（pytz未安装）

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问题描述

我正在通过官方Django教程使用版本1.6.1和版本2.7.5的python在OSX上。我在第2部分工作，这是管理界面。当我尝试去/ admin / polls / poll /时，我收到以下错误报告：

 在/ admin / polls / poll / 
此查询需要pytz，但未安装。 
请求方法：GET 
请求URL：http://127.0.0.1:8000/admin/polls/poll/ 
 Django版本：1.6.1 
异常类型：不正确配置
异常值：
此查询需要pytz，但未安装。 
异常位置：/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py在datetime_trunc_sql第196行
 Python可执行文件：/opt/local/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python 
 Python版本：2.7.5

我尝试通过安装pip（需要安装setuptools）来安装pytz，但这没有任何区别。另外，我第二次浏览本教程，我知道一个月前没有遇到这个问题。可能更新到小牛已经引起了一些问题？

解决方案

继续搜索django和pytz之后，我发现了1.6 Django发行说明，其中提到您现在必须安装pytz才能使用Sqlite3，如果USET_TZ = True，则在settings.py中。

我不知道USE_TZ对您的应用程序有什么影响，但将该值设置为False可以让我在本教程中继续。我希望Django教程更新以反映这一变化。

I'm currently working through the official Django tutorial using version 1.6.1 and version 2.7.5 of python on OSX. I'm working on part 2, which is the admin interface. When I attempt to go to /admin/polls/poll/, I get the following error report:

ImproperlyConfigured at /admin/polls/poll/
This query requires pytz, but it isn't installed.
Request Method: GET
Request URL:    http://127.0.0.1:8000/admin/polls/poll/
Django Version: 1.6.1
Exception Type: ImproperlyConfigured
Exception Value:
This query requires pytz, but it isn't installed.
Exception Location: /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py in datetime_trunc_sql, line 196
Python Executable:  /opt/local/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Python Version: 2.7.5

I attempted to install pytz by installing pip (which required installing setuptools) but this made no difference. Also, I am going through this tutorial for a second time, and I know I didn't run into this problem a month ago. Could updating to Mavericks have caused some problem?

解决方案

After continuing to search for django and pytz, I found the 1.6 Django release notes, which mention that you must now install pytz to work with Sqlite3 if USE_TZ=True in your settings.py.

I don't know what effect USE_TZ has on your application, but setting that value to False allows me to proceed in the tutorial. I would hope that the Django tutorial is updated to reflect this change.

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