TypeError at /auth/login/

render_option() takes exactly 4 arguments (6 given)

Request Method: 	GET
Request URL: 	https://xxxxxxxx/dashboard/auth/login/?next=/dashboard/
Django Version: 	1.8.2
Exception Type: 	TypeError
Exception Value:

render_option() takes exactly 4 arguments (6 given)

Exception Location: 	/usr/lib/python2.7/site-packages/django/forms/widgets.py in render_options, line 543
Python Executable: 	/usr/bin/python
Python Version: 	2.7.5
Python Path:

['/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../..',
 '/usr/lib/python2.7/site-packages/pysaml2-2.2.0-py2.7.egg',
 '/usr/lib64/python27.zip',
 '/usr/lib64/python2.7',
 '/usr/lib64/python2.7/plat-linux2',
 '/usr/lib64/python2.7/lib-tk',
 '/usr/lib64/python2.7/lib-old',
 '/usr/lib64/python2.7/lib-dynload',
 '/usr/lib64/python2.7/site-packages',
 '/usr/lib64/python2.7/site-packages/gtk-2.0',
 '/usr/lib/python2.7/site-packages',
 '/usr/share/openstack-dashboard/openstack_dashboard']

Error during template rendering

In template /usr/lib/python2.7/site-packages/horizon/templates/horizon/common/_form_field.html, error at line 69
render_option() takes exactly 4 arguments (6 given)
59 	      {% if add_item_link %}
60 	        <div class='input-group'>
61 	          {{ field|add_bootstrap_class }}
62 	          <span class="input-group-btn">
63 	            <a href="{{ add_item_link }}" data-add-to-field="{{ field.auto_id }}" class='btn btn-default ajax-add ajax-modal'>
64 	              <span class="fa fa-plus"></span>
65 	            </a>
66 	          </span>
67 	        </div>
68 	      {% else %}
69

      {{ field|add_bootstrap_class }}


70 	      {% endif %}
71 	      {% endwith %}
72 	      {% for error in field.errors %}
73 	        <span class="help-block alert alert-danger {{ form.error_css_class }}">{{ error }}</span>
74 	      {% endfor %}
75 	    </div>
76 	  {% endif %}
77 	</div>
78