sepolicy: Simplify policy types detection

map() and filter() changed their return values from list to iterators in
Python 3. This change drops filter() and map() from gui.py to make it
work on Python 2 and 3

Fixes:
Traceback (most recent call last):
  File "/bin/sepolicy", line 700, in <module>
    args.func(args)
  File "/bin/sepolicy", line 326, in gui_run
    sepolicy.gui.SELinuxGui(args.domain, args.test)
  File "/usr/lib/python3.5/site-packages/sepolicy/gui.py", line 238, in __init__
    if self.populate_system_policy() < 2:
  File "/usr/lib/python3.5/site-packages/sepolicy/gui.py", line 835, in populate_system_policy
    types = map(lambda x: x[1], filter(lambda x: x[0] == selinux_path, os.walk(selinux_path)))[0]
TypeError: 'map' object is not subscriptable

Signed-off-by: Petr Lautrbach <plautrba@redhat.com>
1 file changed