coercing to Unicode: need string or buffer, ContentType found

[li5tun]

Any idea about this?

ERROR:django.request:Internal Server Error: /admin/djangoseo/youlunmetadatamodel/add/
Traceback (most recent call last):
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 111, in get_response
response = wrapped_callback(request, _callback_args, *_callback_kwargs)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/contrib/admin/options.py", line 583, in wrapper
return self.admin_site.admin_view(view)(_args, *_kwargs)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 105, in _wrapped_view
response = view_func(request, _args, *_kwargs)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/views/decorators/cache.py", line 52, in _wrapped_view_func
response = view_func(request, _args, *_kwargs)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/contrib/admin/sites.py", line 206, in inner
return view(request, _args, *_kwargs)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/contrib/admin/options.py", line 1453, in add_view
return self.changeform_view(request, None, form_url, extra_context)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 29, in _wrapper
return bound_func(_args, *_kwargs)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 105, in _wrapped_view
response = view_func(request, _args, *_kwargs)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 25, in bound_func
return func.get(self, type(self))(_args2, *_kwargs2)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/db/transaction.py", line 394, in inner
return func(_args, *_kwargs)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/contrib/admin/options.py", line 1407, in changeform_view
self.log_addition(request, new_object)
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/contrib/admin/options.py", line 776, in log_addition
object_repr=force_text(object),
File "/home/vagrant/virtualenv/local/lib/python2.7/site-packages/django/utils/encoding.py", line 85, in force_text
s = six.text_type(s)
TypeError: coercing to Unicode: need string or buffer, ContentType found

[li5tun]

django-seo2/djangoseo/backends.py

Line 451 in 9527418

return self._content_type

I think this one should return a string, instead of content_type.

[mic159]

We have hit this error too, the grappelli admin wont load because of it.
It also stops you from printing it in the console.

In [10]: ObjectMetaDataModel.objects.all()
Out[10]: ---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
... snip ...
TypeError: coercing to Unicode: need string or buffer, ContentType found

In [11]: 

[fzdmd]

Same problem, is anybody knows how to fix if ?

[fragmuffin]

fixed in: 68d1184

[mic159]

Yeah, looks like this was in PR #13.
@romansalin any chance on getting a release uploaded to pypi?
Its been more than 24 hours 😢

[Shivam1904]

Hey @romansalin ,
Can you please release the new updated patch to pypi as the version downloaded via pip still throws this error.

[mic159]

@romansalin please release to pypi!

[mic159]

@romansalin bump!

[fannyhub]

@romansalin, please release the fix...