Gracias Sergi, perdona, no puse el módulo, aquí está el error completo, un saludo
[Sat May 17 05:34:46 2014] INFO:modules:account_bank_statement_account Traceback (most recent call last): File "trytond", line 113, in <module> trytond.server.TrytonServer(options).run() File "/home/manuel/tryton/tryton32/trytond/trytond/server.py", line 123, in run Pool(db_name).init(update=update, lang=lang) File "/home/manuel/tryton/tryton32/trytond/trytond/pool.py", line 151, in init lang=lang) File "/home/manuel/tryton/tryton32/trytond/trytond/modules/__init__.py", line 428, in load_modules _load_modules() File "/home/manuel/tryton/tryton32/trytond/trytond/modules/__init__.py", line 396, in _load_modules load_module_graph(graph, pool, lang) File "/home/manuel/tryton/tryton32/trytond/trytond/modules/__init__.py", line 223, in load_module_graph classes = pool.setup(module) File "/home/manuel/tryton/tryton32/trytond/trytond/pool.py", line 225, in setup cls.__setup__() File "/home/manuel/tryton/tryton32/trytond/trytond/modules/account_bank_statement_account/statement.py", line 34, in __setup__ cls.moves_amount.on_change_with.append('lines') AttributeError: 'set' object has no attribute 'append'