.
Thread 2 (Thread 0x7f87b6652700 (LWP 2433)):
#0  0x00007f87c89dd773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f87c24c6f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f87c24c7792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f87bdbc5516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f87c24ec2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f87c9b51efc in start_thread (arg=0x7f87b6652700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f87b6652700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2708575305057521236, 140220865784848, 140220857395648, 0, 3, -2694940204481294764, -2695024454561608108}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f87c89e989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f87c9f55720 (LWP 2386)):
#0  0x000000000049c60b in ?? ()
No symbol table info available.
#1  0x000000000049ca8d in PyErr_WarnEx ()
No symbol table info available.
#2  0x00007f87bd070284 in ?? () from /usr/lib/python2.7/dist-packages/gobject/_gobject.so
No symbol table info available.
#3  0x00007f87c24cf2db in g_logv () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f87c24cf6a2 in g_log () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f87bc32fa4a in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#6  0x00007f87bc347a60 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#7  0x00007f87bc347e4e in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#8  0x00007f87bc32e053 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#9  0x00007f87bc32e5ac in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#10 0x00007f87bc32ffc6 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#11 0x00007f87bc33006e in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#12 0x00007f87c24c6a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#13 0x00007f87c24c7258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f87c24c7429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#15 0x00007f87c3031ed6 in QEventDispatcherGlib::processEvents (this=0x2bef040, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
        d = 0x31b4f10
        canWait = true
        savedFlags = {i = 0}
        result = <optimized out>
#16 0x00007f87c0d19e3e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
        d = 0x31b4f10
        saved_flags = {i = 0}
        returnValue = false
#17 0x00007f87c3005cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
        d = 0x35b2e50
#18 0x00007f87c3005ef7 in QEventLoop::exec (this=0x7fff04aebd50, flags=...) at kernel/qeventloop.cpp:201
        d = 0x35b2e50
        app = 0x2bef010
#19 0x00007f87c1128f66 in QDialog::exec (this=0x7fff04aebdc0) at dialogs/qdialog.cpp:552
        guard = {o = 0x7fff04aebdc0}
        d = 0x2d122a0
        deleteOnClose = false
        wasShowModal = true
        showSystemDialogFullScreen = false
        eventLoop = {<QObject> = {_vptr.QObject = 0x7f87c33348d0, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7f87c30c14e0 "QObject", data = 0x7f87c30c1580, extradata = 0x7f87c332c4e0}}, d_ptr = {d = 0x35b2e50}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7f87c30ca180 "Qt", data = 0x7f87c30cda20, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x7f87c332c4c0, stringdata = 0x7f87c30d39a0 "QEventLoop", data = 0x7f87c30d39c0, extradata = 0x0}}}
        res = <optimized out>
#20 0x00007f87c1149ca6 in QMessageBoxPrivate::showOldMessageBox (parent=<optimized out>, icon=<optimized out>, title=<optimized out>, text=<optimized out>, button0=1024, button1=0, button2=0) at dialogs/qmessagebox.cpp:1923
        messageBox = {<QDialog> = {<QWidget> = {<QObject> = {_vptr.QObject = 0x7f87c1723810, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7f87c30c14e0 "QObject", data = 0x7f87c30c1580, extradata = 0x7f87c332c4e0}}, d_ptr = {d = 0x2d122a0}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7f87c30ca180 "Qt", data = 0x7f87c30cda20, extradata = 0x0}}}, <QPaintDevice> = {_vptr.QPaintDevice = 0x7f87c17239e8, painters = 0}, static staticMetaObject = {d = {superdata = 0x7f87c332c4c0, stringdata = 0x7f87c12f33c0 "QWidget", data = 0x7f87c12f3940, extradata = 0x0}}, data = 0x2d123f0}, static staticMetaObject = {d = {superdata = 0x7f87c170e940, stringdata = 0x7f87c1331fa0 "QDialog", data = 0x7f87c1332040, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x7f87c1721860, stringdata = 0x7f87c13345a0 "QMessageBox", data = 0x7f87c13347c0, extradata = 0x0}}}
#21 0x00007f87c1149cee in QMessageBox::critical (parent=<optimized out>, title=<optimized out>, text=<optimized out>, button0=<optimized out>, button1=<optimized out>, button2=<optimized out>) at dialogs/qmessagebox.cpp:2324
No locals.
#22 0x00007f87c1abafdb in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
No symbol table info available.
#23 0x00000000004b6659 in PyEval_EvalFrameEx ()
No symbol table info available.
#24 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#25 0x00000000004b6b4b in PyEval_EvalFrameEx ()
No symbol table info available.
#26 0x00000000004b6e67 in PyEval_EvalFrameEx ()
No symbol table info available.
#27 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#28 0x00000000004bd922 in PyEval_EvalCode ()
No symbol table info available.
#29 0x00000000004dcd42 in ?? ()
No symbol table info available.
#30 0x00000000004dd904 in PyRun_FileExFlags ()
No symbol table info available.
#31 0x00000000004de40e in PyRun_SimpleFileExFlags ()
No symbol table info available.
#32 0x00000000004ee80d in Py_Main ()
No symbol table info available.
#33 0x00007f87c892930d in __libc_start_main (main=0x41aa50 <main>, argc=2, ubp_av=0x7fff04aec818, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff04aec808) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2708575305057521236, 4311888, 140733271951376, 0, 0, -2708699954383597996, -2695021993680875948}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x53c0c0, 0x7fff04aec818}, data = {prev = 0x0, cleanup = 0x0, canceltype = 5488832}}}
        not_first_call = <optimized out>
#34 0x000000000041cb79 in _start ()
No symbol table info available.