SVG icon traceback during installation of Read Etexts

[sascha_silbe]

During installation of (at least) Read Etexts the following exception happens two times:

Traceback (most recent call last):
  File "/home/sugar/sugar-jhbuild/install/lib/python2.5/site-packages/sugar/graphics/icon.py", line 356, in do_size_request
    surface = self._buffer.get_surface()
  File "/home/sugar/sugar-jhbuild/install/lib/python2.5/site-packages/sugar/graphics/icon.py", line 256, in get_surface
    handle = self._load_svg(icon_info.file_name)
  File "/home/sugar/sugar-jhbuild/install/lib/python2.5/site-packages/sugar/graphics/icon.py", line 111, in _load_svg
    return self._loader.load(file_name, entities, self.cache)
  File "/home/sugar/sugar-jhbuild/install/lib/python2.5/site-packages/sugar/graphics/icon.py", line 46, in load
    icon_file = open(file_name, 'r')
IOError: [Errno 2] No such file or directory: '/tmp/read-etextsaP-viN.svg'

Full shell log (containing TempFilePath log entries for /tmp/read-etextsaP-viN.svg) available as attachment to Ticket #1051.