Description of problem:
started selinux ... nothing 

Version-Release number of selected component:
policycoreutils-gui-2.7-6.fc27

Additional info:
reporter:       libreport-2.9.3
cmdline:        /usr/bin/python3 -Es /usr/bin/selinux-polgengui
crash_function: gen_interfaces
exception_type: ValueError
executable:     /usr/bin/selinux-polgengui
kernel:         4.16.16-200.fc27.x86_64
runlevel:       N 5
type:           Python3
uid:            508

Truncated backtrace:
selinux-polgengui:353:__init__:AttributeError: 'ValueError' object has no attribute 'message'

Traceback (most recent call last):
  File "/usr/bin/selinux-polgengui", line 345, in __init__
    for u in sepolicy.interface.get_user():
  File "/usr/lib/python3.6/site-packages/sepolicy/interface.py", line 113, in get_user
    for i in sepolicy.get_methods():
  File "/usr/lib/python3.6/site-packages/sepolicy/__init__.py", line 749, in get_methods
    gen_interfaces()
  File "/usr/lib/python3.6/site-packages/sepolicy/__init__.py", line 831, in gen_interfaces
    raise ValueError(_("You must regenerate interface info by running /usr/bin/sepolgen-ifgen"))
ValueError: You must regenerate interface info by running /usr/bin/sepolgen-ifgen

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/selinux-polgengui", line 783, in <module>
    app = childWindow()
  File "/usr/bin/selinux-polgengui", line 353, in __init__
    self.error(e.message)
AttributeError: 'ValueError' object has no attribute 'message'

Local variables in innermost frame:
iter: <Gtk.TreeIter object at 0x7f1044038168 (GtkTreeIter at 0x564fda4174c0)>
col: <Gtk.TreeViewColumn object at 0x7f10408924c8 (GtkTreeViewColumn at 0x564fda2d60c0)>
b: <Gtk.CheckButton object at 0x7f1044036af8 (GtkCheckButton at 0x564fda796800)>
i: 'xguest_u'
handlers: {'on_delete_clicked': <bound method childWindow.delete of <__main__.childWindow object at 0x7f1051c3ae80>>, 'on_delete_boolean_clicked': <bound method childWindow.delete_boolean of <__main__.childWindow object at 0x7f1051c3ae80>>, 'on_exec_select_clicked': <bound method childWindow.exec_select of <__main__.childWindow object at 0x7f1051c3ae80>>, 'on_init_script_select_clicked': <bound method childWindow.init_script_select of <__main__.childWindow object at 0x7f1051c3ae80>>, 'on_add_clicked': <bound method childWindow.add of <__main__.childWindow object at 0x7f1051c3ae80>>, 'on_add_boolean_clicked': <bound method childWindow.add_boolean of <__main__.childWindow object at 0x7f1051c3ae80>>, 'on_add_dir_clicked': <bound method childWindow.add_dir of <__main__.childWindow object at 0x7f1051c3ae80>>, 'on_about_clicked': <bound method childWindow.on_about_clicked of <__main__.childWindow object at 0x7f1051c3ae80>>}
label: <Gtk.TreeView object at 0x7f1044036b88 (GtkTreeView at 0x564fda7cc3e0)>
self: <__main__.childWindow object at 0x7f1051c3ae80>