gdesklets ?

[raptor]

hi,

I'm wrinting a gdesklet (gdesklets.gnome.org).. Excuse my ignorance
this is my first ever python script...so on the question :

why I should write :
  self.__percent = int((float(self.__diff) / float(self.__max)) * 100)

instead of just :

  self.__percent = int((self.__diff / self.__max) * 100)

it took my one hour experiment to find it :"(
Do I have to do always typecasting... or this is some special case.

tia