Change move_to behavior when moving from None location. Before, this would force a source location (usually home) but this hides the actual source location, and a None-location has been handled by the announce hooks for some time. Resolves #1011.

evennia/objects/objects.py

@@ -626,17 +626,9 @@ class DefaultObject(with_metaclass(TypeclassBase, ObjectDB)):
 
         # Save the old location
         source_location = self.location
-        if not source_location:
-            # there was some error in placing this room.
-            # we have to set one or we won't be able to continue
-            if self.home:
-                source_location = self.home
-            else:
-                default_home = ObjectDB.objects.get_id(settings.DEFAULT_HOME)
-                source_location = default_home
 
         # Call hook on source location
-        if move_hooks:
+        if move_hooks and source_location:
             try:
                 source_location.at_object_leave(self, destination)
             except Exception as err: