Have every class inherit from object.

evennia/typeclasses/attributes.py

@@ -96,7 +96,7 @@ class Attribute(SharedMemoryModel):
     def locks(self):
         return LockHandler(self)
 
-    class Meta:
+    class Meta(object):
         "Define Django meta options"
         verbose_name = "Evennia Attribute"
 

evennia/typeclasses/models.py

@@ -95,7 +95,7 @@ class TypeclassBase(SharedMemoryModelBase):
 
         # typeclass proxy setup
         if not "Meta" in attrs:
-            class Meta:
+            class Meta(object):
                 proxy = True
                 app_label = attrs.get("__applabel__", "typeclasses")
             attrs["Meta"] = Meta
@@ -285,7 +285,7 @@ class TypedObject(SharedMemoryModel):
         return NAttributeHandler(self)
 
 
-    class Meta:
+    class Meta(object):
         """
         Django setup info.
         """

evennia/typeclasses/tags.py

@@ -58,7 +58,7 @@ class Tag(models.Model):
     # this is None, alias or permission
     db_tagtype = models.CharField('tagtype', max_length=16, null=True, help_text="overall type of Tag", db_index=True)
 
-    class Meta:
+    class Meta(object):
         "Define Django meta options"
         verbose_name = "Tag"
         unique_together = (('db_key', 'db_category', 'db_tagtype'),)