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PONoReverseMatch: with arguments '(u'',)' and keyword arguments '{}' not found.in Django Admin
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  1. PONoReverseMatch: with arguments '(u'',)' and keyword arguments '{}' not found.in Django Admin
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    copied!<p><strong>I found a better error message (see below).</strong></p> <p>I have a model called App in core/models.py. The error occurs when trying to access a specific app object in django admin. Even on an empty database (after syncdb) with a single app object.</p> <p>Seems core_app_history is something django generated. Any help is appreciated.</p> <p>Here is the exception:</p> <pre><code>NoReverseMatch at /admin/core/app/251/ Reverse for 'core_app_history' with arguments '(u'',)' and keyword arguments '{}' not found. Request Method: GET Request URL: http://weblocal:8001/admin/core/app/251/ Django Version: 1.5.4 Exception Type: NoReverseMatch Exception Value: Reverse for 'core_app_history' with arguments '(u'',)' and keyword arguments '{}' not found. Exception Location: /opt/virtenvs/django_slice/local/lib/python2.7/site-packages/django/template/defaulttags.py in render, line 426 Python Executable: /opt/virtenvs/django_slice/bin/python Python Version: 2.7.3 Python Path: ['/opt/src/slicephone/cloud', '/opt/virtenvs/django_slice/local/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg', '/opt/virtenvs/django_slice/local/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg', '/opt/virtenvs/django_slice/local/lib/python2.7/site-packages/distribute-0.6.35-py2.7.egg', '/opt/virtenvs/django_slice/lib/python2.7', '/opt/virtenvs/django_slice/lib/python2.7/plat-linux2', '/opt/virtenvs/django_slice/lib/python2.7/lib-tk', '/opt/virtenvs/django_slice/lib/python2.7/lib-old', '/opt/virtenvs/django_slice/lib/python2.7/lib-dynload', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-linux2', '/usr/lib/python2.7/lib-tk', '/opt/virtenvs/django_slice/local/lib/python2.7/site-packages'] Server time: Fri, 11 Oct 2013 22:06:43 +0000 </code></pre> <p>And it occurs in /django/contrib/admin/templates/admin/change_form.html</p> <pre><code>32 &lt;li&gt;&lt;a href="{% url opts|admin_urlname:'history' original.pk|admin_urlquote %}" class="historylink"&gt;{% trans "History" %}&lt;/a&gt;&lt;/li&gt; </code></pre> <p>Here is the (possible) relevant urls:</p> <pre><code>/admin/core/app/ HANDLER: changelist_view /admin/core/app/add/ HANDLER: add_view /admin/core/app/(.+)/history/ HANDLER: history_view /admin/core/app/(.+)/delete/ HANDLER: delete_view /admin/core/app/(.+)/ HANDLER: change_view </code></pre>
 

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