[level@<removed> fuzz]# cat pyfile.py
import bz2
obj = bz2.BZ2File('/tmp/fileName')
obj.__init__("fileName")
obj.__reduce__
[level@<removed> fuzz]# gdb --args python pyfile.py
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-60.el6_4.1)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/python...(no debugging symbols found)...done.
Missing separate debuginfos, use: debuginfo-install python-2.6.6-37.el6_4.i686 python-2.6.6-37.el6_4.x86_64
(gdb) r
Starting program: /usr/bin/python pyfile.py
[Thread debugging using libthread_db enabled]
Traceback (most recent call last):
  File "pyfile.py", line 3, in <module>
    obj.__init__("fileName")
IOError: [Errno 2] No such file or directory: 'fileName'

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7a98170 in PyFile_DecUseCount () from /usr/lib64/libpython2.6.so.1.0
(gdb)