fix cagette_membership res_partner write & update error

lacagette_addons/lacagette_membership/models/res_partner.py

@@ -99,7 +99,6 @@ class ResPartner(models.Model):
 
     @api.model
     def update(self, vals):
-        res = super(ResPartner, self).write(vals)
         #_logger.info("valeurs reçues pour update partner = %s", str(vals))
         state_to_record = ""
         if 'cooperative_state' in vals:
@@ -109,14 +108,13 @@ class ResPartner(models.Model):
             state_to_record = vals['current_cooperative_state']
         if len(state_to_record) > 0:
             self._write_state_change(state_to_record)
-        return res
+        return super(ResPartner, self).update(vals)
 
     @api.model
     def write(self, vals):
-        res = super(ResPartner, self).write(vals)
         # _logger.info("valeurs reçues pour write partner = %s", str(vals))
         if 'cooperative_state' in vals:
             self._write_state_change(vals['cooperative_state'])
-        return res
+        return super(ResPartner, self).write(vals)
 
     
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