AttributeError：“”NoneType“”对象没有属性“”tags“”

Question

Traceback (most recent call last):<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/cherrypy.wsgiserver.wsgiserver2", line 1353, in communicate<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/cherrypy.wsgiserver.wsgiserver2", line 868, in respond<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/cherrypy.wsgiserver.wsgiserver2", line 2267, in respond<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/cherrypy.wsgiserver.wsgiserver2", line 2477, in __call__<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.core.handlers.wsgi", line 206, in __call__<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.core.handlers.base", line 194, in get_response<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.core.handlers.base", line 229, in handle_uncaught_exception<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.views.debug", line 69, in technical_500_response<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.views.debug", line 322, in get_traceback_html<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.template.base", line 125, in __init__<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.template.base", line 152, in compile_string<br/>
  File "home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.template.debug", line 35, in __init__<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.template.base", line 239, in __init__<br/>
  File "/home/rpmbuild/venv/build/pyi.linux2/MF/out00-PYZ.pyz/django.template.base", line 353, in add_library<br/>

AttributeError: 'NoneType' object has no attribute 'tags'

我有运行在cherrypy服务器上的django项目的pyinstaller。它从命令提示符的python manage.py runserver中工作，而不是通过pyinstaller捆绑使用。

我已经在settings.py中测试过开发环境和生产环境

DEBUG = False/True<br>
Allowed_HOSTS = ['*']

Answer 1

在某些地方，您可以像这样使用代码：

<something>.tags

其中估计为None

Answer 2

如果你使用django.contrib.markup.templatetags.markup，这就是问题所在，因为django.contrib.markup.templatetags.markup被废弃了