Traceback (most recent call last):

 "/usr/share/w3af/w3af/core/ui/gui/main.py", line 609, in start_scan_wrap
real_scan_start()

 "/usr/share/w3af/w3af/core/ui/gui/main.py", line 600, in real_scan_start
self.w3af.start()

 "/usr/share/w3af/w3af/core/controllers/w3afCore.py", line 191, in start
self.strategy.start()

 "/usr/share/w3af/w3af/core/controllers/core_helpers/strategy.py", line 96, in start
self._seed_discovery()

 "/usr/share/w3af/w3af/core/controllers/core_helpers/strategy.py", line 423, in _seed_discovery
self._seed_producer.seed_output_queue(cf.cf.get('targets'))

 "/usr/share/w3af/w3af/core/controllers/core_helpers/consumers/seed.py", line 104, in seed_output_queue
kb.kb.add_fuzzable_request(_seed)

 "/usr/share/w3af/w3af/core/data/kb/knowledge_base.py", line 283, in decorated
return _method(self, *args, **kwargs)

 "/usr/share/w3af/w3af/core/data/kb/knowledge_base.py", line 671, in add_fuzzable_request
self.add_url(fuzzable_request.get_url())

 "/usr/share/w3af/w3af/core/data/kb/knowledge_base.py", line 283, in decorated
return _method(self, *args, **kwargs)

 "/usr/share/w3af/w3af/core/data/kb/knowledge_base.py", line 652, in add_url
return self.urls.add(url)AttributeError: 'DBKnowledgeBase' object has no attribute 'urls'
Traceback (most recent call last):


 "/opt/openlibrary/deploys/openlibrary/openlibrary/infogami/utils/template.py", line 146, in saferender

result = t(*a, **kw)


 "/opt/openlibrary/venv/local/lib/python2.7/site-packages/web/template.py", line 868, in __call__

return BaseTemplate.__call__(self, *a, **kw)


 "/opt/openlibrary/venv/local/lib/python2.7/site-packages/web/template.py", line 781, in __call__

return self._join_output(out)


 "/opt/openlibrary/venv/local/lib/python2.7/site-packages/web/template.py", line 787, in _join_output

for name, value in out:


 "/opt/openlibrary/deploys/openlibrary/openlibrary/openlibrary/templates/type/author/view.html", line 246, in __template__

$ pages = (books.num_found / 100) + 1
TypeError: unsupported operand type(s) for /: 'instance' and 'int'
