py3: get_memberofindirect: fix ByteWarnings

DN must be converted to bytes as other variables adn lists contain bytes

https://fedorahosted.org/freeipa/ticket/4985

Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>

ipapython/ipaldap.py

@@ -379,8 +379,10 @@ class LDAPEntry(collections.MutableMapping):
                 name, value.__class__.__name__, value))
         for (i, item) in enumerate(value):
             if not isinstance(item, bytes):
-                raise TypeError("%s[%d] value must be str, got %s object %r" % (
-                    name, i, item.__class__.__name__, item))
+                raise TypeError(
+                    "%s[%d] value must be bytes, got %s object %r" % (
+                        name, i, item.__class__.__name__, item)
+                )
 
         name = self._add_attr_name(name)
 

ipaserver/plugins/baseldap.py

@@ -722,7 +722,7 @@ class LDAPObject(Object):
         direct = set()
         indirect = set(entry.raw.get('memberof', []))
         for group_entry in result:
-            dn = str(group_entry.dn)
+            dn = str(group_entry.dn).encode('utf-8')
             if dn in indirect:
                 indirect.remove(dn)
                 direct.add(dn)