*** Internal Error: rpc.py:SocketIO.localcall()

 Object: gui_adapter 
 Method: <bound method GUIAdapter.interaction of <idlelib.RemoteDebugger.GUIAdapter instance at 0x120e71f80>> 
 Args: ('bug.py:1: <module>()', 4350545536, None)

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/idlelib/rpc.py", line 188, in localcall
    ret = method(*args, **kwargs)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/idlelib/RemoteDebugger.py", line 284, in interaction
    self.gui.interaction(message, frame, modified_info)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/idlelib/Debugger.py", line 198, in interaction
    b.configure(state="disabled")
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk/Tkinter.py", line 1262, in configure
    return self._configure('configure', cnf, kw)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk/Tkinter.py", line 1253, in _configure
    self.tk.call(_flatten((self._w, cmd)) + self._options(cnf))
TclError: invalid command name ".4846984656.4846982712.4846983792"