'my_calendar' is not a valid tag library
2011-08-20 11:04
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错误信息：'my_calendar' is not a valid tag library: Template library my_calendar not found, tried django.templatetags.my_calendar,django.contrib.admin.templatetags.my_calendar,address.templatetags.my_calendar
而在“\my_calendar\templatetags\”下面明明有my_calendar.py存在。
原来：
“\my_calendar\templatetags\”下缺少__init__.py，所以Python不会把它当做一个模块。
所以，
添加__init__.py就可以了。
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