From: Raymond Hettinger <python@rcn.com>
Date: Tue, 27 Dec 2016 09:06:52 +0000 (-0800)
Subject: Issue #29055: Suppress upstream exception for random.choice()
X-Git-Tag: v3.6.1rc1~257
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bb2839b680b565f99e463921f3c28fb3c7368096;p=thirdparty%2FPython%2Fcpython.git

Issue #29055: Suppress upstream exception for random.choice()
---

diff --git a/Lib/random.py b/Lib/random.py
index 49b0f149a5a5..ad1c9167b02a 100644
--- a/Lib/random.py
+++ b/Lib/random.py
@@ -254,7 +254,7 @@ class Random(_random.Random):
         try:
             i = self._randbelow(len(seq))
         except ValueError:
-            raise IndexError('Cannot choose from an empty sequence')
+            raise IndexError('Cannot choose from an empty sequence') from None
         return seq[i]
 
     def shuffle(self, x, random=None):
diff --git a/Misc/NEWS b/Misc/NEWS
index 6947359cd03b..544c8e593c2e 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -42,6 +42,9 @@ Library
 
 - Issue 28923: Remove editor artifacts from Tix.py.
 
+- Issue #29055:  Neaten-up empty population error on random.choice()
+  by suppressing the upstream exception.
+
 - Issue #28871: Fixed a crash when deallocate deep ElementTree.
 
 - Issue #19542: Fix bugs in WeakValueDictionary.setdefault() and