whoops

diff --git a/src/nmutil/util.py b/src/nmutil/util.py
index 3c708bdfe204bd2614b8d30defcc08a44baf0691..3aec9f954fc0b0b97be0c5cce35eeed074c792b7 100644 (file)
--- a/src/nmutil/util.py
+++ b/src/nmutil/util.py
@@ -24,4 +24,5 @@ def treereduce(tree, op, fn):
     if len(tree) == 2:
         return op(fn(tree[0]), fn(tree[1]))
     s = len(tree) // 2 # splitpoint
-    return treereduce(op(tree[:s], op, fn), treereduce(tree[s:], op, fn))
+    return op(treereduce(tree[:s], op, fn),
+              treereduce(tree[s:], op, fn))