.
Thread 1 (Thread 0xb75086c0 (LWP 26680)):
#0  0xb777e424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb75821cf in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = -1217441792
        selftid = 26680
#2  0xb7585815 in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0xb729cd60, sa_sigaction = 0xb729cd60}, sa_mask = {__val = {32, 135382416, 3073159348, 3072970080, 3077526592, 0, 22, 3073370028, 0, 135343656, 3215735956, 0, 0, 3078228280, 134555930, 3072955528, 151444344, 3072883472, 137036256, 0, 151444344, 135472466, 0, 585, 3075842104, 3077826624, 151593684, 3072883472, 137036256, 135348992, 4294967295, 581}}, sa_flags = 151444344, sa_restorer = 0x8112ff7 <tb_dealloc.23068+135>}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x0809bb2b in Py_FatalError (msg=msg@entry=0x8185834 "Py_Initialize: can't initialize sys standard streams") at ../Python/pythonrun.c:2187
No locals.
#4  0x08066a9a in Py_InitializeEx (install_sigs=1) at ../Python/pythonrun.c:312
        interp = 0x906db28
        tstate = <optimized out>
        bimod = <optimized out>
        sysmod = <optimized out>
        pstderr = <stderrprinter at remote 0xb72d52d0>
        p = <optimized out>
#5  0x08066b09 in Py_Initialize () at ../Python/pythonrun.c:332
No locals.
#6  0x0809e495 in Py_Main (argc=argc@entry=4, argv=argv@entry=0x906d008) at ../Modules/main.c:637
        c = <optimized out>
        sts = <optimized out>
        command = 0x0
        filename = 0x906d9e8 L"/usr/lib/command-not-found"
        module = 0x0
        fp = 0xb76f5ac0
        p = <optimized out>
        skipfirstline = <optimized out>
        stdin_is_interactive = 1
        help = <optimized out>
        version = 1
        saw_unbuffered_flag = <optimized out>
        cf = {cf_flags = 0}
#7  0x080a81fc in main (argc=4, argv=0xbfac3ef4) at ../Modules/python.c:65
        argv_copy = 0x906d008
        argv_copy2 = 0x906d020
        i = <optimized out>
        res = <optimized out>
        oldloc = 0x906d038 "en_US.UTF-8"