[IMP] l10n_fr: set one tag per grid in vat report.

addons/l10n_fr/__manifest__.py

@@ -5,7 +5,7 @@
 
 {
     'name': 'France - Accounting',
-    'version': '1.2',
+    'version': '2.0',
     'category': 'Localization',
     'description': """
 This is the module to manage the accounting chart for France in Odoo.

addons/l10n_fr/migrations/2.0/post-migrate_tags_on_taxes.py

+from openerp.modules.registry import RegistryManager
+
+
+def migrate(cr, version):
+    registry = RegistryManager.get(cr.dbname)
+    from openerp.addons.account.models.chart_template import migrate_tags_on_taxes
+    migrate_tags_on_taxes(cr, registry)