Thanks eryksun, that was the bug. Thanks for pointing out the tabs as well, they were added by vim's autoindent. I've set expandtab for python files now.
I decided to change the code such that current_player and turn_number are hidden behind properties meaning I won't overwrite them accident or stupidity later. On 6 December 2012 01:31, eryksun <eryk...@gmail.com> wrote: > On Wed, Dec 5, 2012 at 1:11 PM, C M Caine <cmca...@googlemail.com> wrote: > > > > The full code is on pastebin http://pastebin.com/tUh0W5Se > > > >>>> import game > >>>> S = game.State() > >>>> S1 = S.move_state(1).move_state("SWAP") > >>>> S2 = S.move_state(1) > >>>> S3 = S2.move_state("SWAP") > >>>> S1 == S3 > > False > > In lines 156-160 you change players by mutating the object. You need > to use a local variable such as "next_player" and return State(board, > self.turn_number + 1, next_player). > > Also, you're mixing tabs and 2-space indents. Please choose one or the > other. The most popular style is 4-space indents, as recommended by > the PEP 8 style guide. >
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