Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/gi/overrides/GLib.py", line 634, in <lambda>
    return (lambda data: callback(*data), user_data)
  File "/usr/share/apport/apport-gtk", line 577, in <lambda>
    GLib.idle_add(lambda: self.collect_info(on_finished=self.ui_update_view))
  File "/usr/lib/python3/dist-packages/apport/ui.py", line 1052, in collect_info
    bpthread.exc_raise()
  File "/usr/lib/python3/dist-packages/apport/REThread.py", line 63, in exc_raise
    raise self._exception[1].with_traceback(self._exception[2])
  File "/usr/lib/python3/dist-packages/apport/REThread.py", line 33, in run
    self._retval = self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib/python3/dist-packages/apport/report.py", line 883, in search_bug_patterns
    url = _check_bug_patterns(self, patterns)
  File "/usr/lib/python3/dist-packages/apport/report.py", line 170, in _check_bug_patterns
    url = _check_bug_pattern(report, pattern)
  File "/usr/lib/python3/dist-packages/apport/report.py", line 142, in _check_bug_pattern
    v = v.get_value()
  File "/usr/lib/python3/dist-packages/problem_report.py", line 62, in get_value
    return gzip.GzipFile(fileobj=BytesIO(self.gzipvalue)).read()
  File "/usr/lib/python3.3/gzip.py", line 360, in read
    self._read(readsize)
  File "/usr/lib/python3.3/gzip.py", line 456, in _read
    self._read_eof()
  File "/usr/lib/python3.3/gzip.py", line 488, in _read_eof
    crc32 = read32(self.fileobj)
  File "/usr/lib/python3.3/gzip.py", line 69, in read32
    return struct.unpack("<I", input.read(4))[0]
struct.error: unpack requires a bytes object of length 4