[fix] membership out wizard error

wizard/scop_membership_out_wizard.py

@@ -48,7 +48,7 @@ class ScopMembershipOutWizard(models.TransientModel):
                 for lp in last_periods:
                     period_type_id = lp.type_id.id
                     period.member_out_period(
-                        period.partner_id,
+                        period.partner_id.id,
                         period_type_id,
                         period.end,
                         period.end_reason_id.id,