.

wcfs/internal/xbtree.py

@@ -242,8 +242,9 @@ def Restructure(ztree, newStructure):
     while len(rlevelv) > 0:
         rlevel  =  rlevelv.pop(0)
         if len(zrlevelv) == 0:
-            panic("TODO")
-        zrlevel = zrlevelv.pop(0)
+            zrlevel = []
+        else:
+            zrlevel = zrlevelv.pop(0)
 
         # filter-out buckets
         _ = []  # zrlevel -> zrlevel, zrbucketv