Question about raise and exceptions.

[Daniel Klein]

On Wed, 28 Feb 2007 13:48:54 -0500 (EST), "Steven W. Orr"
<steveo at syslang.net> wrote:

>When I run it I get this:
>
>884 > ./t_fsm.py
>Traceback (most recent call last):
>   File "./t_fsm.py", line 3, in ?
>     from fsm import *
>   File "/home/boston/VIASAT/sorr/py/fsm/fsm.py", line 76
>     raise TransitionError, self.curr_state, newstate, "Going to error 
>state %d from state %d" % (self.curr_state, newstate)
>                                                     ^
>SyntaxError: invalid syntax

The arguments for TransitionError must be a tuple, eg:

msg = "Going to error state %d from state %d" % (self.curr_state,
newstate)
raise TransitionError(self, curr_state, newstate, msg)

Dan