.
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 ?? ()
No symbol table info available.
#2  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f87c9f55720 (LWP 2386)):
#0  0x000000000049c60b in setup_context (registry=<synthetic pointer>, module=<synthetic pointer>, lineno=<synthetic pointer>, filename=<synthetic pointer>, stack_level=1) at ../Python/_warnings.c:449
        globals = <optimized out>
        f = <optimized out>
#1  do_warn (message="gdk_xsettings_watch_cb(): Couldn't find window to unwatch", category=<type at remote 0x30a0220>, stack_level=1) at ../Python/_warnings.c:594
        filename = <optimized out>
        module = <optimized out>
        registry = <optimized out>
        res = <optimized out>
        lineno = <optimized out>
#2  0x000000000049ca8d in PyErr_WarnEx (category=<type at remote 0x30a0220>, text=<optimized out>, stack_level=1) at ../Python/_warnings.c:720
        res = <optimized out>
        message = "gdk_xsettings_watch_cb(): Couldn't find window to unwatch"
#3  0x00007f87bd070284 in _log_func (log_domain=<optimized out>, log_level=G_LOG_LEVEL_WARNING, message=0x36d7670 "gdk_xsettings_watch_cb(): Couldn't find window to unwatch", user_data=0x30a0220) at /build/buildd/pygobject-2-2.28.6/gobject/gobjectmodule.c:2353
        state = PyGILState_LOCKED
        warning = <type at remote 0x30a0220>
#4  0x00007f87c24cf2db in ?? ()
No symbol table info available.
#5  0x0000000002fc9350 in ?? ()
No symbol table info available.
#6  0x00007f8700000005 in ?? ()
No symbol table info available.
#7  0x00007f87c2776840 in ?? ()
No symbol table info available.
#8  0x00000000036d7670 in ?? ()
No symbol table info available.
#9  0x00007f87bc34a2d3 in ?? () from /tmp/tmpGAhAkz/usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#10 0x00000000030a0220 in ?? ()
No symbol table info available.
#11 0x00007f87bd070240 in ?? () at /build/buildd/pygobject-2-2.28.6/gobject/gobjectmodule.c:93 from /tmp/tmpGAhAkz/usr/lib/python2.7/dist-packages/gobject/_gobject.so
No symbol table info available.
#12 0x00000010c24b4fcf in ?? ()
No symbol table info available.
#13 0x0000000000000000 in ?? ()
No symbol table info available.