Traceback (most recent call last):
  File "/usr/lib/debug/usr/bin/python2.6-gdb.py", line 582, in to_string
    fi = FrameInfo(pyop)
  File "/usr/lib/debug/usr/bin/python2.6-gdb.py", line 539, in __init__
    self.co = PyCodeObjectPtr.from_pyobject_ptr(fval.field('f_code'))
  File "/usr/lib/debug/usr/bin/python2.6-gdb.py", line 130, in field
    return self._gdbval.dereference()[name]
RuntimeError: There is no member named f_code.