cubicweb #2200682 Keyerror by Google indexing unexisting images ? [open]

66.249.72.122 - - [21/Feb/2012:18:14:56 +0100] "GET /view?tmpfile=7527879d72f84c0fbf9ed4f3e03f52b7&vid=tmppng HTTP/1.1" 500 3822 "-" "Googlebot-Image/1.0" 86807

Gives a keyerror

2012-02-21 18:16:41 - (cubicweb.web) ERROR: KeyError(u'5f71f6e61ac644c0ba280da137868a15',)
Traceback (most recent call last):
File "/usr/lib/python2.6/dist-packages/cubicweb/web/application.py", line 369, in main_publish
  result = controller.publish(rset=rset)
File "/usr/lib/python2.6/dist-packages/cubicweb/web/views/basecontrollers.py", line 119, in publish
  rset=rset, view=view)
File "/usr/lib/python2.6/dist-packages/cubicweb/cwvreg.py", line 368, in main_template
  res = obj.render(**kwargs)
File "/usr/lib/python2.6/dist-packages/cubicweb/view.py", line 165, in render
  view_func(**context)
File "/usr/lib/python2.6/dist-packages/cubicweb/web/views/basetemplates.py", line 113, in call
  view.render()
File "/usr/lib/python2.6/dist-packages/cubicweb/view.py", line 165, in render
  view_func(**context)
File "/usr/lib/python2.6/dist-packages/cubicweb/web/views/__init__.py", line 134, in call
  self.cell_call()
File "/usr/lib/python2.6/dist-packages/cubicweb/web/views/workflow.py", line 441, in cell_call
  tmpfile = self._cw.session.data[self._cw.form['tmpfile']]
KeyError: u'5f71f6e61ac644c0ba280da137868a15'
prioritynormal
typebug
done in<not specified>
closed by<not specified>