diff --git a/easy_my_coop/models/coop.py b/easy_my_coop/models/coop.py
index 23bad29..b5fc87a 100644
--- a/easy_my_coop/models/coop.py
+++ b/easy_my_coop/models/coop.py
@@ -68,9 +68,7 @@ class SubscriptionRequest(models.Model):
         if not vals.get("partner_id"):
             cooperator = False
             if vals.get("email"):
-                cooperator = partner_obj.get_cooperator_from_email(
-                    vals.get("email")
-                )
+                cooperator = partner_obj.get_cooperator_from_email(vals.get("email"))
             if cooperator:
                 # TODO remove the following line once it has
                 # been found a way to avoid double encoding
@@ -105,9 +103,7 @@ class SubscriptionRequest(models.Model):
                 vals["already_cooperator"] = True
         subscr_request = super(SubscriptionRequest, self).create(vals)
 
-        confirmation_mail_template = subscr_request.get_mail_template_notif(
-            True
-        )
+        confirmation_mail_template = subscr_request.get_mail_template_notif(True)
         confirmation_mail_template.send_mail(subscr_request.id)
 
         return subscr_request
@@ -131,20 +127,15 @@ class SubscriptionRequest(models.Model):
     @api.depends("iban", "skip_control_ng")
     def _compute_validated_lines(self):
         for sub_request in self:
-            validated = sub_request.skip_control_ng or self.check_iban(
-                sub_request.iban
-            )
+            validated = sub_request.skip_control_ng or self.check_iban(sub_request.iban)
             sub_request.validated = validated
 
     @api.multi
-    @api.depends(
-        "share_product_id", "share_product_id.list_price", "ordered_parts"
-    )
+    @api.depends("share_product_id", "share_product_id.list_price", "ordered_parts")
     def _compute_subscription_amount(self):
         for sub_request in self:
             sub_request.subscription_amount = (
-                sub_request.share_product_id.list_price
-                * sub_request.ordered_parts
+                sub_request.share_product_id.list_price * sub_request.ordered_parts
             )
 
     already_cooperator = fields.Boolean(
@@ -426,9 +417,7 @@ class SubscriptionRequest(models.Model):
         readonly=True,
         states={"draft": [("readonly", False)]},
     )
-    data_policy_approved = fields.Boolean(
-        string="Data Policy Approved", default=False
-    )
+    data_policy_approved = fields.Boolean(string="Data Policy Approved", default=False)
     internal_rules_approved = fields.Boolean(
         string="Approved Internal Rules", default=False
     )
@@ -529,9 +518,7 @@ class SubscriptionRequest(models.Model):
             if accounts:
                 account = accounts[0]
             else:
-                raise UserError(
-                    _("You must set a cooperator account on you company.")
-                )
+                raise UserError(_("You must set a cooperator account on you company."))
         return account
 
     def get_invoice_vals(self, partner):
@@ -699,16 +686,13 @@ class SubscriptionRequest(models.Model):
         if self.is_company and not partner.has_representative():
             contact = False
             if self.email:
-                domain = [("email", "=", self.email),
-                          ('company_type', '=', 'person')]
+                domain = [("email", "=", self.email), ("company_type", "=", "person")]
                 contact = partner_obj.search(domain)
                 if len(contact) < 2:
                     contact.type = "representative"
                 else:
                     raise UserError(
-                        _(
-                            "You have duplicate contact with email %s" % self.email
-                        )
+                        _("You have duplicate contact with email %s" % self.email)
                     )
             if not contact:
                 contact_vals = self.get_representative_vals()
@@ -722,7 +706,7 @@ class SubscriptionRequest(models.Model):
                             " proceed to a merge before to continue"
                         )
                     )
-                if contact.parent_id and contact.parent_id.id != partner.id:
+                if contact.parent_id and contact.parent_id.id != partner.parent_id.id:
                     raise UserError(
                         _(
                             "This contact person is already defined"
@@ -731,9 +715,7 @@ class SubscriptionRequest(models.Model):
                         )
                     )
                 else:
-                    contact.write(
-                        {"parent_id": partner.id, "representative": True}
-                    )
+                    contact.write({"representative": True})
 
         invoice = self.create_invoice(partner)
         self.write({"state": "done"})
@@ -843,9 +825,7 @@ class SubscriptionRegister(models.Model):
     partner_id_to = fields.Many2one(
         "res.partner", string="Transfered to", readonly=True
     )
-    date = fields.Date(
-        string="Subscription Date", required=True, readonly=True
-    )
+    date = fields.Date(string="Subscription Date", required=True, readonly=True)
     quantity = fields.Integer(string="Number of share", readonly=True)
     share_unit_price = fields.Monetary(
         string="Share price",