TypeError: unsubscriptable object.

[Mel Wilson]

In article <494182a9.0405211340.49873a72 at posting.google.com>,
balaji at email.arizona.edu (Balaji) wrote:
>Hello Everybody...
>
>I have a problem..
[ ... ]
>----------------------------------------------
>I'm getting the following error TypeError: unsubscriptable object...
>Traceback (most recent call last):
>  File "<stdin>", line 1, in ?
>  File "generation.py", line 175, in stackManagement
>    self.stackManagement(expr.left)
>  File "generation.py", line 176, in stackManagement
>    self.stackManagement(expr.right)
>  File "generation.py", line 199, in stackManagement
>    self.a+= self.peekF()
>  File "generation.py", line 168, in peekF
>    rval= self.stackF[-1]
>-------------------------------------
>I 'm at my wit ends..
>
>Can anyone help...

Something has come unstuck.  I would try wrapping
the failing statement:

     try:
         rval= self.stackF[-1]
     except TypeError:
         print "TypeError, self.stackF:", repr(self.stackF)
         sys.exit (-1)

and see what comes out.

        Regards.        Mel.