Fix 2.5-only syntax accidentally introduced

IPython/Shell.py

@@ -4,7 +4,7 b''
 All the matplotlib support code was co-developed with John Hunter,
 matplotlib's author.
 
-$Id: Shell.py 3001 2008-02-01 07:07:00Z fperez $"""
+$Id: Shell.py 3006 2008-02-01 18:00:26Z fperez $"""
 
 #*****************************************************************************
 #       Copyright (C) 2001-2006 Fernando Perez <[e-mail]>
@@ -456,10 +456,9 b' class MTInteractiveShell(InteractiveShell):'
             # CODE_TO_RUN is set to true/false as close as possible to the
             # runcode() call, so that the KBINT handler is correctly informed.
             try:
+                try:
                CODE_RUN = True
                InteractiveShell.runcode(self,code_to_run)
-               if got_lock:
-                  CODE_RUN = False              
             except KeyboardInterrupt:
                print "Keyboard interrupted in mainloop"
                while not self.code_queue.empty():