diff --git a/event_sequence/models/event_sequence.py b/event_sequence/models/event_sequence.py
index 7db31db..f930c7d 100644
--- a/event_sequence/models/event_sequence.py
+++ b/event_sequence/models/event_sequence.py
@@ -5,5 +5,5 @@ from odoo import fields, models
 class EventSequence(models.Model):
     _name = "event.sequence"
 
-    name = fields.Char("name")
-    sequence = fields.Integer("Sequence")  # for sorting
+    name = fields.Char()
+    sequence = fields.Integer()  # for sorting
diff --git a/event_sequence/models/event_track.py b/event_sequence/models/event_track.py
index f6e0ab3..bfa475b 100644
--- a/event_sequence/models/event_track.py
+++ b/event_sequence/models/event_track.py
@@ -7,7 +7,7 @@ class EventTrack(models.Model):
     sequence_id = fields.Many2one(
         "event.sequence", "Sequence", group_expand="_read_group_stage_ids"
     )
-    sequence = fields.Integer("Sequence")  # for sorting
+    sequence = fields.Integer()  # for sorting
 
     @api.model_create_multi
     def create(self, vals_list):
diff --git a/event_track_calendar_event_event_speaker/models/event_track.py b/event_track_calendar_event_event_speaker/models/event_track.py
index 0ecb264..811ab4e 100644
--- a/event_track_calendar_event_event_speaker/models/event_track.py
+++ b/event_track_calendar_event_event_speaker/models/event_track.py
@@ -6,10 +6,10 @@ class EventTrack(models.Model):
     _inherit = "event.track"
 
     speaker_ids = fields.Many2many(
-        "res.partner", string="Intervenants", compute="compute_speaker_ids"
+        "res.partner", string="Intervenants", compute="_compute_speaker_ids"
     )
 
-    def compute_speaker_ids(self):
+    def _compute_speaker_ids(self):
         """
         Set speaker_ids as concat of all speakers of all events.
         """
diff --git a/event_track_calendar_event_event_track_location/models/event_track.py b/event_track_calendar_event_event_track_location/models/event_track.py
index a7a7606..5423c07 100644
--- a/event_track_calendar_event_event_track_location/models/event_track.py
+++ b/event_track_calendar_event_event_track_location/models/event_track.py
@@ -6,12 +6,8 @@ from odoo.tools import format_date
 class EventTrack(models.Model):
     _inherit = "event.track"
 
-    location_already_in_use = fields.Boolean(
-        "Location already in use", compute="_compute_location_already_in_use"
-    )
-    location_already_in_use_message = fields.Text(
-        compute="_compute_location_already_in_use"
-    )
+    location_already_in_use = fields.Boolean("Location already in use", compute="_compute_location_already_in_use")
+    location_already_in_use_message = fields.Text(compute="_compute_location_already_in_use")
 
     @api.depends("date", "duration", "location_id")
     def _compute_location_already_in_use(self):
@@ -36,22 +32,14 @@ class EventTrack(models.Model):
 
                     # search only on other event tracks
                     if track.id or track.id.origin:
-                        search_other_calendar_events.append(
-                            ("event_track_id", "!=", track.id or track.id.origin)
-                        )
+                        search_other_calendar_events.append(("event_track_id", "!=", track.id or track.id.origin))
 
                     # search calendar events not already founded
                     if already_found_other_calendar_event_ids:
-                        search_other_calendar_events.append(
-                            ("id", "not in", already_found_other_calendar_event_ids)
-                        )
+                        search_other_calendar_events.append(("id", "not in", already_found_other_calendar_event_ids))
 
-                    other_calendar_events = self.env["calendar.event"].search(
-                        search_other_calendar_events
-                    )
-                    already_found_other_calendar_event_ids.extend(
-                        other_calendar_events.ids
-                    )
+                    other_calendar_events = self.env["calendar.event"].search(search_other_calendar_events)
+                    already_found_other_calendar_event_ids.extend(other_calendar_events.ids)
 
                     if other_calendar_events:
                         location_already_in_use = True
diff --git a/event_type_button_box/__init__.py b/event_type_button_box/__init__.py
new file mode 100644
index 0000000..e69de29