Thanks. I think I have some direction to do logging, to get more information about this problem.
It seems that I don't get used to dynamic language yet. -- Gilbert On Jul 30, 7:20 pm, Duncan Booth <[EMAIL PROTECTED]> wrote: > Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: > > > On Mon, 30 Jul 2007 03:36:33 -0700, Gilbert Fine wrote: > > >> This is a very strange exception raised from somewhere in our > >> program. I have no idea how this happen. And don't know how to > >> reproduce. It just occurs from time to time. > > > Maybe different `Decimal`\s? Here's how to reproduce such a > > traceback: > > <snip> > > Or even just one Decimal type but not one which supports subtraction: > > >>> class Decimal(object): > > pass > > >>> a = Decimal() > >>> b = Decimal() > >>> a-b > > Traceback (most recent call last): > File "<pyshell#4>", line 1, in <module> > a-b > TypeError: unsupported operand type(s) for -: 'Decimal' and 'Decimal' > > Another option of course is that Decimal() did support substraction but > someone deleted it: > > >>> from decimal import Decimal > >>> del Decimal.__sub__ > >>> Decimal()-Decimal() > > Traceback (most recent call last): > File "<pyshell#15>", line 1, in <module> > Decimal()-Decimal() > TypeError: unsupported operand type(s) for -: 'Decimal' and 'Decimal' -- http://mail.python.org/mailman/listinfo/python-list
