- Print correct exception even if source file changed since shell was

restarted.  IDLEfork Patch 869012 Noam Raphael

Modified Files:
	NEWS.txt run.py

Lib/idlelib/run.py

@@ -109,6 +109,8 @@ def manage_socket(address):
     server.handle_request() # A single request only
 
 def print_exception():
+    import linecache
+    linecache.checkcache()
     flush_stdout()
     efile = sys.stderr
     typ, val, tb = excinfo = sys.exc_info()