diff --git a/portal_event_tickets/README.rst b/portal_event_tickets/README.rst
index a598537..743172a 100644
--- a/portal_event_tickets/README.rst
+++ b/portal_event_tickets/README.rst
@@ -17,7 +17,7 @@ Customer Event Portal
     :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
     :alt: License: AGPL-3
 .. |badge3| image:: https://img.shields.io/badge/github-it--projects--llc%2Fwebsite--addons-lightgray.png?logo=github
-    :target: https://github.com/it-projects-llc/website-addons/tree/14.0/portal_event_tickets
+    :target: https://github.com/it-projects-llc/website-addons/tree/17.0/portal_event_tickets
     :alt: it-projects-llc/website-addons
 
 |badge1| |badge2| |badge3|
@@ -125,7 +125,7 @@ Bug Tracker
 Bugs are tracked on `GitHub Issues <https://github.com/it-projects-llc/website-addons/issues>`_.
 In case of trouble, please check there if your issue has already been reported.
 If you spotted it first, help us to smash it by providing a detailed and welcomed
-`feedback <https://github.com/it-projects-llc/website-addons/issues/new?body=module:%20portal_event_tickets%0Aversion:%2014.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+`feedback <https://github.com/it-projects-llc/website-addons/issues/new?body=module:%20portal_event_tickets%0Aversion:%2017.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
 
 Do not contact contributors directly about support or help with technical issues.
 
@@ -149,6 +149,6 @@ Contributors
 Maintainers
 -----------
 
-This module is part of the `it-projects-llc/website-addons <https://github.com/it-projects-llc/website-addons/tree/14.0/portal_event_tickets>`_ project on GitHub.
+This module is part of the `it-projects-llc/website-addons <https://github.com/it-projects-llc/website-addons/tree/17.0/portal_event_tickets>`_ project on GitHub.
 
 You are welcome to contribute.
diff --git a/portal_event_tickets/__manifest__.py b/portal_event_tickets/__manifest__.py
index ee7e0e1..0df8c80 100644
--- a/portal_event_tickets/__manifest__.py
+++ b/portal_event_tickets/__manifest__.py
@@ -3,7 +3,7 @@
     "summary": """Allows to customers see their tickets for events at the Portal""",
     "category": "Marketing",
     "images": ["images/banner.jpg"],
-    "version": "14.0.1.0.0",
+    "version": "17.0.1.0.0",
     "author": "IT-Projects LLC",
     "support": "apps@it-projects.info",
     "website": "https://github.com/it-projects-llc/website-addons",
diff --git a/portal_event_tickets/controllers/main.py b/portal_event_tickets/controllers/main.py
index d90ddf8..5754854 100644
--- a/portal_event_tickets/controllers/main.py
+++ b/portal_event_tickets/controllers/main.py
@@ -16,7 +16,7 @@
 
 class PortalEvent(CustomerPortal):
     def _prepare_home_portal_values(self, counters):
-        values = super(PortalEvent, self)._prepare_home_portal_values(counters)
+        values = super()._prepare_home_portal_values(counters)
         if "tickets_count" in counters:
             domain = self._tickets_domain()
             values["tickets_count"] = (
@@ -34,7 +34,7 @@ def _tickets_domain(self, partner=None):
     @http.route()
     def account(self, *args, **kw):
         """Add sales documents to main account page"""
-        response = super(PortalEvent, self).account(*args, **kw)
+        response = super().account(*args, **kw)
         domain = self._tickets_domain()
         tickets_count = request.env["event.registration"].search_count(domain)
 
@@ -332,7 +332,7 @@ def ticket_change(self, ticket_id, **kw):
 class WebsiteSaleExtended(WebsiteSale):
     @http.route()
     def cart(self, **post):
-        response = super(WebsiteSaleExtended, self).cart(**post)
+        response = super().cart(**post)
         if post.get("total_is_negative"):
             response.qcontext.update(
                 {
diff --git a/portal_event_tickets/models/event.py b/portal_event_tickets/models/event.py
index 4d9ae2a..9ba5e46 100644
--- a/portal_event_tickets/models/event.py
+++ b/portal_event_tickets/models/event.py
@@ -35,4 +35,4 @@ def check_partner_for_new_ticket(self, partner_id):
                     # False means no errors
                     return False
 
-        return super(Event, self).check_partner_for_new_ticket(partner_id)
+        return super().check_partner_for_new_ticket(partner_id)
diff --git a/portal_event_tickets/models/event_mail.py b/portal_event_tickets/models/event_mail.py
index 4716e4b..b48d54f 100644
--- a/portal_event_tickets/models/event_mail.py
+++ b/portal_event_tickets/models/event_mail.py
@@ -51,6 +51,7 @@ def _compute_scheduled_date(self):
                 rself.scheduled_date = datetime.strptime(
                     date, tools.DEFAULT_SERVER_DATETIME_FORMAT
                 ) + _INTERVALS[rself.interval_unit](sign * rself.interval_nbr)
+        return True
 
     def execute(self, registration=None):
         for rself in self:
@@ -104,3 +105,4 @@ def _compute_scheduled_date(self):
                 ](rself.scheduler_id.interval_nbr)
             else:
                 rself.scheduled_date = False
+        return True
diff --git a/portal_event_tickets/models/sale_order.py b/portal_event_tickets/models/sale_order.py
index 5a1a2e3..53d93ec 100644
--- a/portal_event_tickets/models/sale_order.py
+++ b/portal_event_tickets/models/sale_order.py
@@ -9,7 +9,7 @@ class SaleOrderLine(models.Model):
     _inherit = "sale.order.line"
 
     def _cancel_line(self, origin=None):
-        res = super(SaleOrderLine, self)._cancel_line(origin=origin)
+        res = super()._cancel_line(origin=origin)
 
         tickets = self.env["event.registration"].search(
             [
diff --git a/portal_event_tickets/tests/common.py b/portal_event_tickets/tests/common.py
index b28e955..9863eb8 100644
--- a/portal_event_tickets/tests/common.py
+++ b/portal_event_tickets/tests/common.py
@@ -6,7 +6,7 @@
 
 class TourCase(HttpCase):
     def setUp(self):
-        super(TourCase, self).setUp()
+        super().setUp()
 
         # create Event
         self.event = self.env["event.event"].create(