FIX: Redner optional report error

--HG-- branch : 16.0

• Odoo ticket : MO16-00821 - Modèle de mail : Erreur rapport facultatif redner
• Module not yet tagged...

models/ir_actions_report.py

@@ -174,6 +174,8 @@
 
     def _render_redner(self, report_ref, res_ids, data=None):
         """Called by ``_render``, method name dynamically built."""
+        if not self:
+            self = report_ref
         self.ensure_one()
         if self.report_type != "redner":
             raise RuntimeError(