python2 fallback

python/sepolicy/sepolicy.py

@@ -25,9 +25,19 @@
 import sys
 import selinux
 import sepolicy
-from multiprocessing import Pool
 from sepolicy import get_os_version, get_conditionals, get_conditionals_format_text
 import argparse
+if sys.version_info[0] >= 3:
+    from multiprocessing import Pool
+else:
+    # multiprocessing.Pool behaves badly in Python 2, fallback to sequential execution
+    class Pool(object):
+        def apply_async(self, f, args):
+            f(*args)
+        def close(self):
+            pass
+        def join(self):
+            pass
 PROGNAME = "policycoreutils"
 try:
     import gettext