mi risponde con questo errore:
Environment Information : 
System : Windows-32bit
OS Name : nt
Operating System Release : 
Operating System Version : 32bit
Operating System Architecture : 32bit
Operating System Locale : it_IT.cp1252
Python Version : 2.5.2
OpenERP-Client Version : 6.0.1
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:\Program Files (x86)\OpenERP 6.0\Server\addons\operation\operation.py", line 49, in write
KeyError: 'status'