ValueError: Expected string. Got <type 'list'>

[GeoHolz]

Hello,

With Debian 8 Jessie, Nagios 4 and Livestatus, all installed with source packahe i have this bug

ValueError: Expected string. Got <type 'list'> 

When i edit a host

Trace:
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/adagios/views.py", line 43, in wrapper
    result = view_func(request, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/adagios/objectbrowser/views.py", line 225, in edit_object
    return _edit_host(request, c)
  File "/usr/local/lib/python2.7/dist-packages/pynag/Utils/__init__.py", line 1411, in wrap
    return func(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/adagios/objectbrowser/views.py", line 460, in _edit_host
    return render_to_response('edit_host.html', c, context_instance=RequestContext(request))
  File "/usr/local/lib/python2.7/dist-packages/django/shortcuts/__init__.py", line 29, in render_to_response
    return HttpResponse(loader.render_to_string(*args, **kwargs), **httpresponse_kwargs)
  File "/usr/local/lib/python2.7/dist-packages/django/template/loader.py", line 169, in render_to_string
    return t.render(context_instance)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 140, in render
    return self._render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
    return self.nodelist.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
    bit = self.render_node(node, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
    return node.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 123, in render
    return compiled_parent._render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
    return self.nodelist.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
    bit = self.render_node(node, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
    return node.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 123, in render
    return compiled_parent._render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
    return self.nodelist.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
    bit = self.render_node(node, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
    return node.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 123, in render
    return compiled_parent._render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
    return self.nodelist.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
    bit = self.render_node(node, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
    return node.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 62, in render
    result = block.nodelist.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
    bit = self.render_node(node, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
    return node.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 62, in render
    result = block.nodelist.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
    bit = self.render_node(node, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
    return node.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/defaulttags.py", line 305, in render
    return nodelist.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
    bit = self.render_node(node, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
    return node.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 155, in render
    return self.render_template(self.template, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 137, in render_template
    output = template.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 140, in render
    return self._render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
    return self.nodelist.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
    bit = self.render_node(node, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
    return node.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/defaulttags.py", line 305, in render
    return nodelist.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
    bit = self.render_node(node, context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
    return node.render(context)
  File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 91, in render
    output = force_text(output)
  File "/usr/local/lib/python2.7/dist-packages/django/utils/encoding.py", line 100, in force_text
    s = s.__unicode__()
  File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py", line 425, in __str__
    return self.as_widget()
  File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py", line 475, in as_widget
    return widget.render(name, self.value(), attrs=attrs)
  File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py", line 513, in value
    return self.field.prepare_value(data)
  File "/usr/local/lib/python2.7/dist-packages/adagios/objectbrowser/forms.py", line 160, in prepare_value
    raise ValueError("Expected string. Got %s" % type(value))
ValueError: Expected string. Got <type 'list'>

[hakong]

Duplicate of #559