2011/12/02 00:12:41 - <type 'exceptions.NameError'> Exception in Tk callback
  Function: <bound method terminal.view_set of <uhdas.serial.nb_term.terminal instance at 0x19d0518>> (type: <type 'instancemethod'>)
  Args: ()
Traceback (innermost last):
  File "/usr/lib/python2.6/dist-packages/Pmw/Pmw_1_3/lib/PmwBase.py", line 1747, in __call__
    return apply(self.func, args)
  File "/home/currents/programs/uhdas/serial/tk_terminal.py", line 490, in view_set
    flag_display(self.Frame, self)
  File "/home/currents/programs/uhdas/serial/tk_terminal.py", line 35, in __init__
    self.flag_value_dict = self.IntVars()
  File "/home/currents/programs/uhdas/serial/tk_terminal.py", line 52, in IntVars
    for key in port_flags.keys():
<type 'exceptions.NameError'>: global name 'port_flags' is not defined