Description of problem:
Just started the program

Version-Release number of selected component:
policycoreutils-gui-2.8-8.fc29

Additional info:
reporter:       libreport-2.9.7
backtrace_rating: 4
cmdline:        /usr/bin/python3 -Es /usr/share/system-config-selinux/system-config-selinux.py
crash_function: _gtk_style_provider_private_get_settings
executable:     /usr/bin/python3.7
journald_cursor: s=011a87a772524b04ab4912ae8f8e64ea;i=2c2206;b=3c9855650b4d42ed99b8d048c69a4eaa;m=7f45d81f;t=57d611bebd7e0;x=2c495b62e17fcc9
kernel:         4.19.9-300.fc29.x86_64
rootdir:        /
runlevel:       N 5
type:           CCpp
uid:            0

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 _gtk_style_provider_private_get_settings at gtkstyleproviderprivate.c:123
 #1 gtk_css_value_initial_compute at gtkcssinitialvalue.c:52
 #2 gtk_css_static_style_compute_value at gtkcssstaticstyle.c:237
 #3 _gtk_css_lookup_resolve at gtkcsslookup.c:122
 #4 gtk_css_static_style_new_compute at gtkcssstaticstyle.c:195
 #5 gtk_css_static_style_get_default at gtkcssstaticstyle.c:164
 #6 gtk_css_node_init at gtkcssnode.c:667
 #7 g_type_create_instance at gtype.c:1858
 #8 g_object_new_internal at gobject.c:1805
 #9 g_object_new_with_properties at gobject.c:1973