500 SameIPError when updating domain

[ThomasWaldmann]

[2016-01-03 19:50:57,379] ERROR Internal Server Error: /domain/454/
Traceback (most recent call last):
  File "/srv/nsupdate.info/env/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 "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/views/generic/base.py", line 71, 
in view
    return self.dispatch(request, *args, **kwargs)
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/utils/decorators.py", line 34, in
 _wrapper
    return bound_func(*args, **kwargs)
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line
 22, in _wrapped_view
    return view_func(request, *args, **kwargs)
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/utils/decorators.py", line 30, in
 bound_func
    return func.__get__(self, type(self))(*args2, **kwargs2)
  File "/srv/nsupdate.info/repo/nsupdate/main/views.py", line 465, in dispatch
    return super(DomainView, self).dispatch(*args, **kwargs)
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/views/generic/base.py", line 89, 
in dispatch
    return handler(request, *args, **kwargs)
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/views/generic/edit.py", line 272,
 in post
    return super(BaseUpdateView, self).post(request, *args, **kwargs)
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/views/generic/edit.py", line 214,
 in post
    if form.is_valid():
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/forms/forms.py", line 184, in is_
valid
    return self.is_bound and not self.errors
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/forms/forms.py", line 176, in err
ors
    self.full_clean()
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/forms/forms.py", line 393, in ful
l_clean
    self._clean_form()
  File "/srv/nsupdate.info/env/local/lib/python2.7/site-packages/django/forms/forms.py", line 417, in _cl
ean_form
    cleaned_data = self.clean()
  File "/srv/nsupdate.info/repo/nsupdate/main/forms.py", line 71, in clean
    check_domain(self.instance.name)
  File "/srv/nsupdate.info/repo/nsupdate/main/dnstools.py", line 114, in check_domain
    add(fqdn, "8.8.8.8")
  File "/srv/nsupdate.info/repo/nsupdate/main/dnstools.py", line 156, in add
    raise SameIpError
SameIpError

[elnappo]

fixed in f987fae