Add defeat mode to tutorial combat

evennia/typeclasses/tags.py

@@ -13,9 +13,8 @@ from collections import defaultdict
 
 from django.conf import settings
 from django.db import models
-from evennia.utils.utils import to_str, make_iter
 from evennia.locks.lockfuncs import perm as perm_lockfunc
-
+from evennia.utils.utils import make_iter, to_str
 
 _TYPECLASS_AGGRESSIVE_CACHE = settings.TYPECLASS_AGGRESSIVE_CACHE
 
@@ -105,6 +104,10 @@ class TagProperty:
     with an existing method/property on the class. If it does, you must use tags.add()
     instead.
 
+    Note that while you _can_ check e.g. `obj.tagname,this will give an AttributeError
+    if the Tag is not set. Most often you want to use `obj.tags.get("tagname")` to check
+    if a tag is set on an object.
+
     Example:
     ::