.
Thread 2 (Thread 0x7f7ad7b30700 (LWP 2185)):
#0  0x00007f7af0db0773 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  0x00007f7ae5a76368 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f7ae5a76b92 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f7ae11f9f86 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f7ae5a9b916 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f7af1f3cedc in start_thread (arg=0x7f7ad7b30700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f7ad7b30700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6468535084009081502, 140165592767488, 140165581572544, 0, 3, -6399204923025438050, -6399270354157090146}, 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  0x00007f7af0dbc89d 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 0x7f7af2344720 (LWP 2090)):
#0  0x000000000049c60b in ?? ()
No symbol table info available.
#1  0x000000000049ca8d in PyErr_WarnEx ()
No symbol table info available.
#2  0x00007f7ae06dd284 in ?? () from /usr/lib/python2.7/dist-packages/gobject/_gobject.so
No symbol table info available.
#3  0x00007f7ae5a7e72b in g_logv () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f7ae5a7eaf2 in g_log () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f7adfe4ab6e in gtk_widget_style_get () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#6  0x00007f7ae459a3de in QGtkStyle::pixelMetric(QStyle::PixelMetric, QStyleOption const*, QWidget const*) const () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#7  0x00007f7ae466b954 in QScrollBar::sizeHint() const () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#8  0x00007f7ae469c9ad in QAbstractScrollAreaPrivate::layoutChildren() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#9  0x00007f7ae469d3af in QAbstractScrollAreaPrivate::init() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#10 0x00007f7ae469d4c4 in QAbstractScrollArea::QAbstractScrollArea(QAbstractScrollAreaPrivate&, QWidget*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#11 0x00007f7ae4729e3d in QAbstractItemView::QAbstractItemView(QAbstractItemViewPrivate&, QWidget*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#12 0x00007f7ae47497dd in QListView::QListView(QListViewPrivate&, QWidget*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#13 0x00007f7ae4793057 in QListWidget::QListWidget(QWidget*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#14 0x00007f7ae50714c5 in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
No symbol table info available.
#15 0x00007f7ae507157d in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
No symbol table info available.
#16 0x00007f7ae55e100f in ?? () from /usr/lib/python2.7/dist-packages/sip.so
No symbol table info available.
#17 0x000000000047c2c1 in ?? ()
No symbol table info available.
#18 0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#19 0x00000000004b6c8e in PyEval_EvalFrameEx ()
No symbol table info available.
#20 0x00000000004b6e67 in PyEval_EvalFrameEx ()
No symbol table info available.
#21 0x00000000004b6e67 in PyEval_EvalFrameEx ()
No symbol table info available.
#22 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#23 0x0000000000448f0f in ?? ()
No symbol table info available.
#24 0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#25 0x000000000043078e in ?? ()
No symbol table info available.
#26 0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#27 0x0000000000480d63 in ?? ()
No symbol table info available.
#28 0x000000000047c2c1 in ?? ()
No symbol table info available.
#29 0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#30 0x00000000004b6c8e in PyEval_EvalFrameEx ()
No symbol table info available.
#31 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#32 0x0000000000448f0f in ?? ()
No symbol table info available.
#33 0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#34 0x000000000043078e in ?? ()
No symbol table info available.
#35 0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#36 0x00000000004b5e66 in PyEval_CallObjectWithKeywords ()
No symbol table info available.
#37 0x00007f7ae55eacc0 in sip_api_invoke_slot () from /usr/lib/python2.7/dist-packages/sip.so
No symbol table info available.
#38 0x00007f7ae6a5df86 in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
No symbol table info available.
#39 0x00007f7ae6a5e068 in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
No symbol table info available.
#40 0x00007f7ae6a5e122 in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
No symbol table info available.
#41 0x00007f7ae65c9e5a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#42 0x00007f7ae421f892 in QAction::triggered(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#43 0x00007f7ae421fa7f in QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#44 0x00007f7ae4220f42 in QAction::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#45 0x00007f7ae65cd9fe in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#46 0x00007f7ae421fb50 in QAction::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#47 0x00007f7ae4226154 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#48 0x00007f7ae422afc1 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#49 0x00007f7ae51a8b71 in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
No symbol table info available.
#50 0x00007f7ae65b6b5c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#51 0x00007f7ae65ba57f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#52 0x00007f7ae65e1a83 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#53 0x00007f7ae5a75e5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#54 0x00007f7ae5a76658 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#55 0x00007f7ae5a76829 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#56 0x00007f7ae65e1ee6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#57 0x00007f7ae42cd7ae in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#58 0x00007f7ae65b5d52 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#59 0x00007f7ae65b5f57 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#60 0x00007f7ae65ba7e9 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#61 0x00007f7ae517ed9e in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
No symbol table info available.
#62 0x00000000004b6659 in PyEval_EvalFrameEx ()
No symbol table info available.
#63 0x00000000004b6e67 in PyEval_EvalFrameEx ()
No symbol table info available.
#64 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#65 0x00000000004bd922 in PyEval_EvalCode ()
No symbol table info available.
#66 0x00000000004dcd42 in ?? ()
No symbol table info available.
#67 0x00000000004dd904 in PyRun_FileExFlags ()
No symbol table info available.
#68 0x00000000004de40e in PyRun_SimpleFileExFlags ()
No symbol table info available.
#69 0x00000000004ee80d in Py_Main ()
No symbol table info available.
#70 0x00007f7af0cfc30d in __libc_start_main (main=0x41aa50 <main>, argc=2, ubp_av=0x7fffe1b177d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffe1b177c8) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6468535084009081502, 4311888, 140736979892176, 0, 0, -6468548943582901602, -6399267639346902370}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x53c0c0, 0x7fffe1b177d8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 5488832}}}
        not_first_call = <optimized out>
#71 0x000000000041cb79 in _start ()
No symbol table info available.