From 7ff2af6fe7bffea90dc4a31c93140c189917c659 Mon Sep 17 00:00:00 2001
From: Scott <scott@wannabe.house>
Date: Wed, 2 Feb 2022 13:47:36 -0800
Subject: Let's be explicit with asserts; there was a bug in histogram caused
 by assert foo when foo was an int with valid valid 0.

---
 collect/bst.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'collect/bst.py')

diff --git a/collect/bst.py b/collect/bst.py
index 9d65259..8602ce6 100644
--- a/collect/bst.py
+++ b/collect/bst.py
@@ -520,12 +520,12 @@ class BinarySearchTree(object):
             return x
 
         path = self.parent_path(node)
-        assert path[-1]
+        assert path[-1] is not None
         assert path[-1] == node
         path = path[:-1]
         path.reverse()
         for ancestor in path:
-            assert ancestor
+            assert ancestor is not None
             if node != ancestor.right:
                 return ancestor
             node = ancestor
-- 
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