From be74a378eb1676bdef826034aff96feb74141e23 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Fri, 11 Sep 2009 21:17:13 +0000
Subject: #6888 fix the alias command with no arguments

---
 Lib/pdb.py | 3 +--
 Misc/NEWS  | 2 ++
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Lib/pdb.py b/Lib/pdb.py
index e272f2e..627cd29 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -841,8 +841,7 @@ class Pdb(bdb.Bdb, cmd.Cmd):
     def do_alias(self, arg):
         args = arg.split()
         if len(args) == 0:
-            keys = self.aliases.keys()
-            keys.sort()
+            keys = sorted(self.aliases.keys())
             for alias in keys:
                 print("%s = %s" % (alias, self.aliases[alias]), file=self.stdout)
             return
diff --git a/Misc/NEWS b/Misc/NEWS
index 54dcbca..fe856ae 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -70,6 +70,8 @@ C-API
 Library
 -------
 
+- Issue #6888: pdb's alias command was broken when no arguments were given.
+
 - Issue #6857: Default format() alignment should be '>' for Decimal
   instances.
 
-- 
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