500 error

'NoneType' object has no attribute 'title'


Traceback (most recent call last):

File "/var/www/venv18/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 132, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/var/www/venv18/local/lib/python2.7/site-packages/django/views/generic/base.py", line 71, in view
return self.dispatch(request, *args, **kwargs)

File "/var/www/venv18/local/lib/python2.7/site-packages/django/views/generic/base.py", line 89, in dispatch
return handler(request, *args, **kwargs)

File "/var/www/venv18/local/lib/python2.7/site-packages/django/utils/decorators.py", line 34, in _wrapper
return bound_func(*args, **kwargs)

File "/var/www/venv18/local/lib/python2.7/site-packages/django/views/decorators/http.py", line 158, in inner
response = func(request, *args, **kwargs)

File "/var/www/venv18/local/lib/python2.7/site-packages/django/utils/decorators.py", line 30, in bound_func
return func.__get__(self, type(self))(*args2, **kwargs2)

File "./aone/views.py", line 268, in get
return super(TopicView, self).get(request, *args, **kwargs)

File "./aone/views.py", line 142, in get
resp = super(BaseView, self).get(request, *args, **kwargs)

File "/var/www/venv18/local/lib/python2.7/site-packages/django/views/generic/base.py", line 158, in get
context = self.get_context_data(**kwargs)

File "./aone/views.py", line 247, in get_context_data
if topic.section.title == u'Музыка':

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