[FIX] account: account_bank.post_write() accepts a single id, just like write().

bzr revid: vmt@openerp.com-20111115124226-v7lb3r5kpr1p3eis

diff --cc addons/account/account_bank.py
index 2a9e432,6833946..acf070a
--- 1/addons/account/account_bank.py
--- 2/addons/account/account_bank.py
+++ b/addons/account/account_bank.py
@@@ -42,8 -42,12 +42,12 @@@ class bank(osv.osv)
          return (bank.bank_name or '') + ' ' + bank.acc_number
  
      def post_write(self, cr, uid, ids, context={}):
 -        obj_acc = self.pool.get('account.account')
 -        obj_data = self.pool.get('ir.model.data')
 -
+         if isinstance(ids, (int, long)):
+           ids = [ids]
+ 
 +        obj_acc = self.pool.get('account.account')
 +        obj_data = self.pool.get('ir.model.data')
++
          for bank in self.browse(cr, uid, ids, context):
              if bank.company_id and not bank.journal_id:
                  # Find the code and parent of the bank account to create