installation module v6 sale_order_dates AttributeError

[GEM]

the error :

Environment Information :
System : Windows-32bit-SP2
OS Name : nt
Operating System Release :
Operating System Version : 32bit
Operating System Architecture : 32bit
Operating System Locale : fr_FR.cp1252
Python Version : 2.5.4
OpenERP-Client Version : 6.0dev
Last revision No. & ID :Bazaar Package not Found !Traceback (most recent call last):
  File "netsvc.pyo", line 401, in dispatch
  File "service\web_services.pyo", line 625, in dispatch
  File "service\web_services.pyo", line 652, in exp_execute
  File "service\web_services.pyo", line 634, in _execute
  File "wizard\__init__.pyo", line 177, in execute
  File "wizard\__init__.pyo", line 72, in execute_cr
  File "d:\OpenERP AllInOne\Server\addons\base\module\wizard\wizard_module_upgrade.py", line 83, in _upgrade_module
  File "pooler.pyo", line 62, in restart_pool
  File "pooler.pyo", line 39, in get_db_and_pool
  File "addons\__init__.pyo", line 830, in load_modules
  File "addons\__init__.pyo", line 690, in load_module_graph
  File "addons\__init__.pyo", line 404, in init_module_objects
  File "osv\orm.pyo", line 2201, in _update_store
  File "osv\fields.pyo", line 695, in get
  File "d:\OpenERP AllInOne\Server\addons\sale_order_dates\sale_order_dates.py", line 48, in _get_commitment_date
AttributeError: 'module' object has no attribute 'strptime'

[Jay Vora (Serpent Consulting Services) (jayvora)]

It has been fixed by revision 4240 <email address hidden>.
Thanks.