From 1727eb71baae5bb1c9b8aed670f86bfe47fae113 Mon Sep 17 00:00:00 2001
From: Elephant Liu <lexdene@gmail.com>
Date: Thu, 9 Jan 2020 11:07:56 +0800
Subject: [PATCH] read traceback from target promise

---
 promise/promise_list.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/promise/promise_list.py b/promise/promise_list.py
index de142f9..eeba766 100644
--- a/promise/promise_list.py
+++ b/promise/promise_list.py
@@ -130,7 +130,7 @@ def _promise_rejected(self, reason, promise):
         # assert not self.is_resolved
         # assert isinstance(self._values, Iterable)
         self._total_resolved += 1
-        self._reject(reason, traceback=promise._traceback)
+        self._reject(reason, traceback=promise._target()._traceback)
         return True
 
     @property