diff --git a/account_statement_ext_voucher/__openerp__.py b/account_statement_ext_voucher/__openerp__.py
index 5858012c..ab12bbd8 100644
--- a/account_statement_ext_voucher/__openerp__.py
+++ b/account_statement_ext_voucher/__openerp__.py
@@ -30,23 +30,20 @@
      'account_voucher'
  ],
  'description': """
- This module is deprecated. It was only needed when using account_bank_statement_ext with voucher in order to compute the period
- correctly. This is mainly because with account_bank_statement_ext, the period is computed for each line.
- 
- Now, we include this in the account_statement_ext module and added a dependencies on account_voucher (mainly cause we can't get
- rid of the voucher in version 7.0).
- 
+ This module is deprecated. It was only needed when using
+ account_bank_statement_ext with voucher in order to compute the period
+ correctly. This is mainly because with account_bank_statement_ext, the period
+ is computed for each line.
+
+ Now, we include this in the account_statement_ext module and added a
+ dependencies on account_voucher (mainly cause we can't get rid of the voucher
+ in version 7.0).
  """,
  'website': 'http://www.camptocamp.com',
- 'init_xml': [],
- 'update_xml': [
+ 'data': [
      "statement_voucher_view.xml",
  ],
- 'demo_xml': [],
- 'test': [],
  'installable': False,
- 'images': [],
  'auto_install': False,
  'license': 'AGPL-3',
-
  }
diff --git a/account_statement_ext_voucher/statement_voucher.py b/account_statement_ext_voucher/statement_voucher.py
index 001e3d35..34d16e0f 100644
--- a/account_statement_ext_voucher/statement_voucher.py
+++ b/account_statement_ext_voucher/statement_voucher.py
@@ -32,10 +32,11 @@ class AccountVoucher(Model):
             context = {}
         if not context.get('period_id') and context.get('move_line_ids'):
             res = self.pool.get('account.move.line').browse(
-                cr, uid, context.get('move_line_ids'), context=context)[0].period_id.id
+                cr, uid, context.get('move_line_ids'),
+                context=context)[0].period_id.id
             context['period_id'] = res
         elif context.get('date'):
-            periods = self.pool.get('account.period').find(
+            periods = self.pool['account.period'].find(
                 cr, uid, dt=context['date'], context=context)
             if periods:
                 context['period_id'] = periods[0]