подсунул, теперь такое:

Exception in Tkinter callback
Traceback (most recent call last):
File "Tkinter.pyc", line 1403, in __call__
File "gui\Dialogs.pyc", line 61, in <lambda>
File "gui\Dialogs.pyc", line 65, in done
File "game\Game.pyc", line 21, in joinPlayer
File "game\Game.pyc", line 51, in send
File "pickle.pyc", line 1374, in loads
File "pickle.pyc", line 858, in load
File "pickle.pyc", line 880, in load_eof
EOFError