Fixed bug in dark room. The mob currently has issues accepting exit locks

evennia/contrib/tutorial_world/mob.py

@@ -301,14 +301,9 @@ class Mob(tut_objects.TutorialObject):
         # no target found, look for an exit.
         exits = [exi for exi in self.location.exits
                  if exi.access(self, "traverse")]
-        last_location = self.ndb.last_location
         if exits:
             # randomly pick an exit
             exit = random.choice(self.location.exits)
-            if len(exits) > 1 and exit.destination == last_location:
-                # don't go back the same way we came if we
-                # can avoid it.
-                return
             # move there.
             self.move_to(exit.destination)
         else:

evennia/contrib/tutorial_world/rooms.py

@@ -473,7 +473,7 @@ class DarkRoom(TutorialRoom):
         self.db.tutorial_info = "This is a room with custom command sets on itself."
         # the room starts dark.
         self.db.is_lit = False
-        self.cmdsets.add(DarkCmdSet, permanent=True)
+        self.cmdset.add(DarkCmdSet, permanent=True)
 
     def at_init(self):
         """

evennia/locks/lockfuncs.py

@@ -540,6 +540,7 @@ def has_player(accessing_obj, accessed_obj, *args, **kwargs):
     This is a useful lock for traverse-locking Exits to restrain NPC
     mobiles from moving outside their areas.
     """
+    print "lock:", accessing_obj, accessed_obj, accessing_obj.has_player
     return hasattr(accessing_obj, "has_player") and accessing_obj.has_player
 
 def serversetting(accessing_obj, accessed_obj, *args, **kwargs):