.

wcfs/internal/xbtree.py

@@ -564,6 +564,10 @@ class _NodeInRange:
         nr.range = r
         nr.node  = node
 
+    def __str__(nr):
+        return "%s%s" % (nr.range, nr.node)
+    __repr__ = __str__
+
 
 # _walkBFS walks tree in breadth-first order layer by layer.
 def _walkBFS(tree): # i[] of [](of nodes on each level)