Tiny cleanups before next round of patches, so I have a safe revert point.

IPython/Magic.py

@@ -1,7 +1,7 b''
 # -*- coding: utf-8 -*-
 """Magic functions for InteractiveShell.
 
-$Id: Magic.py 969 2005-12-29 17:18:31Z fperez $"""
+$Id: Magic.py 970 2005-12-29 18:22:53Z fperez $"""
 
 #*****************************************************************************
 #       Copyright (C) 2001 Janko Hauser <[e-mail]> and
@@ -2576,18 +2576,20 b' Defaulting color scheme to \'NoColor\'"""'
                                 
         # run without arguments -> list variables & values
         elif not args:
-            vars = [v[2:] for v in self.shell.persist.keys() if v.startswith('S:')]
+            vars = [v[2:] for v in self.shell.persist.keys()
+                    if v.startswith('S:')]
             vars.sort()            
             if vars:
                 size = max(map(len,vars))
             else:
                 size = 0
                 
-            fmt = '%-'+str(size)+'s -> %s'
             print 'Stored variables and their in-memory values:'
+            fmt = '%-'+str(size)+'s -> %s'
+            get = self.shell.user_ns.get
             for var in vars:
                 # print 30 first characters from every var
-                print fmt % (var,repr(self.shell.user_ns.get(var, '<unavailable>'))[:50])
+                print fmt % (var,repr(get(var,'<unavailable>'))[:50])
         
         # default action - store the variable
         else:
@@ -2595,11 +2597,6 b' Defaulting color scheme to \'NoColor\'"""'
             self.shell.persist[ 'S:' + args[0] ] = pickled
             print "Stored '%s' (%d bytes)" % (args[0], len(pickled))
 
-            
-            
-        
-        
-      
     def magic_bookmark(self, parameter_s=''):
         """Manage IPython's bookmark system.