Estou com um problema na instalação dos modulos abaixo:

account_fiscal_position_rule : to install
account_product_fiscal_classification : to install
l10n_br_account : to install
l10n_br_base : to install
l10n_br_data_account : to install
l10n_br_data_base : to install
l10n_br_data_cep : to install

Está gerando o seguinte erro:

Environment Information :
System : Windows-XP-5.1.2600-SP3
OS Name : nt
Operating System Release : XP
Operating System Version : 5.1.2600
Operating System Architecture : 32bit
Operating System Locale : pt_BR.cp1252
Python Version : 2.5.2
OpenERP-Client Version : 6.0.2
Last revision No. & ID :Bazaar Package not Found !Traceback (most recent call last):
File "netsvc.pyo", line 489, in dispatch
File "service\web_services.pyo", line 599, in dispatch
File "osv\osv.pyo", line 122, in wrapper
File "osv\osv.pyo", line 176, in execute
File "osv\osv.pyo", line 167, in execute_cr
File "C:\Arquivos de programas\OpenERP 6.0\Server\addons\base\module\wizard\base_module_upgrade.py", line 98, in upgrade_module
File "pooler.pyo", line 60, in restart_pool
File "pooler.pyo", line 39, in get_db_and_pool
File "addons\__init__.pyo", line 883, in load_modules
File "addons\__init__.pyo", line 716, in load_module_graph
File "addons\__init__.pyo", line 456, in register_class
File "C:\Arquivos de programas\OpenERP 6.0\Server\addons\l10n_br_account.zip\l10n_br_account\__init__.py", line 24, in <module>
File "C:\Arquivos de programas\OpenERP 6.0\Server\addons\l10n_br_account.zip\l10n_br_account\invoice.py", line 32, in <module>
File "C:\Arquivos de programas\OpenERP 6.0\Server\library.zip\xml\etree\ElementTree.py", line 1165
return b"".join(data)
^
SyntaxError: invalid syntax

Alguém pode me ajudar?