diff --git a/mail_activity_board/static/src/js/override_chatter.js b/mail_activity_board/static/src/js/override_chatter.js
index d3be65a..19d497c 100644
--- a/mail_activity_board/static/src/js/override_chatter.js
+++ b/mail_activity_board/static/src/js/override_chatter.js
@@ -1,14 +1,13 @@
 /* Copyright 2018 David Juaneda
  * License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). */
-odoo.define('mail.Chatter.activity', function (require) {
+odoo.define("mail.Chatter.activity", function (require) {
     "use strict";
 
-    var chatter = require('mail.Chatter');
+    var chatter = require("mail.Chatter");
 
     chatter.include({
-
         events: _.extend({}, chatter.prototype.events, {
-            'click .o_chatter_button_list_activity': '_onListActivity',
+            "click .o_chatter_button_list_activity": "_onListActivity",
         }),
 
         /**
@@ -19,15 +18,14 @@ odoo.define('mail.Chatter.activity', function (require) {
         _onListActivity: function () {
             this._rpc({
                 model: this.record.model,
-                method: 'redirect_to_activities',
+                method: "redirect_to_activities",
                 args: [[]],
                 kwargs: {
-                    'id':this.record.res_id,
-                    'model':this.record.model,
+                    id: this.record.res_id,
+                    model: this.record.model,
                 },
                 context: this.record.getContext(),
             }).then($.proxy(this, "do_action"));
         },
-
     });
 });
diff --git a/mail_activity_board/static/src/xml/inherit_chatter.xml b/mail_activity_board/static/src/xml/inherit_chatter.xml
index 1cc45f0..2a0ab8e 100644
--- a/mail_activity_board/static/src/xml/inherit_chatter.xml
+++ b/mail_activity_board/static/src/xml/inherit_chatter.xml
@@ -1,11 +1,16 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <templates id="template" xml:space="preserve">
 
     <t t-extend="mail.chatter.Buttons">
          <t t-jquery="button.o_chatter_button_schedule_activity" t-operation="after">
-             <button t-if="scheduleActivityButton" class="btn btn-link o_chatter_button_list_activity"
-                     title="See activities list" type="button" disabled="disabled">
-                 <i class="fa fa-list"/> Activities
+             <button
+                t-if="scheduleActivityButton"
+                class="btn btn-link o_chatter_button_list_activity"
+                title="See activities list"
+                type="button"
+                disabled="disabled"
+            >
+                 <i class="fa fa-list" /> Activities
              </button>
          </t>
     </t>
diff --git a/mail_activity_board/tests/test_mail_activity_board.py b/mail_activity_board/tests/test_mail_activity_board.py
index 1b02568..7929503 100644
--- a/mail_activity_board/tests/test_mail_activity_board.py
+++ b/mail_activity_board/tests/test_mail_activity_board.py
@@ -138,10 +138,10 @@ class TestMailActivityBoardMethods(TransactionCase):
         return result.get("fields_views").get(action.get("view_mode"))
 
     def test_open_origin_res_partner(self):
-        """ This test case checks
-                - If the method redirects to the form view of the correct one
-                of an object of the 'res.partner' class to which the activity
-                belongs.
+        """This test case checks
+        - If the method redirects to the form view of the correct one
+        of an object of the 'res.partner' class to which the activity
+        belongs.
         """
         # Id of the form view for the class 'crm.lead', type 'lead'
         form_view_partner_id = self.env.ref("base.view_partner_form").id
@@ -165,9 +165,9 @@ class TestMailActivityBoardMethods(TransactionCase):
         self.assertEqual(form_view_partner_id, view.get("view_id"))
 
     def test_redirect_to_activities(self):
-        """ This test case checks
-                - if the method returns the correct action,
-                - if the correct activities are shown.
+        """This test case checks
+        - if the method returns the correct action,
+        - if the correct activities are shown.
         """
         action_id = self.env.ref("mail_activity_board.open_boards_activities").id
         action = self.partner_client.redirect_to_activities(
diff --git a/mail_activity_board/views/mail_activity_view.xml b/mail_activity_board/views/mail_activity_view.xml
index 14cbf8c..9576a0e 100644
--- a/mail_activity_board/views/mail_activity_view.xml
+++ b/mail_activity_board/views/mail_activity_view.xml
@@ -12,38 +12,57 @@
         <field name="arch" type="xml">
             <form string="Activity Form" create="false" edit="false" delete="false">
                 <sheet string="Activity">
-                    <button name="open_origin" type="object" class="centre oe_link" nolabel="1">
-                        <h1><field name="res_name"/></h1>
+                    <button
+                        name="open_origin"
+                        type="object"
+                        class="centre oe_link"
+                        nolabel="1"
+                    >
+                        <h1><field name="res_name" /></h1>
                     </button>
                     <field name="activity_category" invisible="1" />
-                    <field name="res_model" invisible="1"/>
-                    <field name="res_model_id" invisible="1"/>
-                    <field name="res_id" invisible="1"/>
+                    <field name="res_model" invisible="1" />
+                    <field name="res_model_id" invisible="1" />
+                    <field name="res_id" invisible="1" />
                     <group>
                         <group>
-                            <field name="activity_type_id" required="1" options="{'no_create': True, 'no_open': True}"/>
-                            <field name="res_model_id_name"/>
-                            <field name="calendar_event_id" invisible="1"/>
-                            <field name="create_date" invisible="1"/>
+                            <field
+                                name="activity_type_id"
+                                required="1"
+                                options="{'no_create': True, 'no_open': True}"
+                            />
+                            <field name="res_model_id_name" />
+                            <field name="calendar_event_id" invisible="1" />
+                            <field name="create_date" invisible="1" />
                         </group>
                         <group>
-                            <field name="date_deadline"
-                                   attrs="{'invisible': [('activity_category', '=', 'meeting')]}"/>
-                            <field name="calendar_event_id_start" string="Start meeting"
-                                   attrs="{'invisible': [('calendar_event_id','=', False)]}"/>
-                            <field name="duration" widget="float_time"
-                                   attrs="{'invisible': ['|',('duration', '=', False),
-                                   ('calendar_event_id','=', False)]}"/>
-                            <field name="user_id" options="{'no_open': True}"/>
+                            <field
+                                name="date_deadline"
+                                attrs="{'invisible': [('activity_category', '=', 'meeting')]}"
+                            />
+                            <field
+                                name="calendar_event_id_start"
+                                string="Start meeting"
+                                attrs="{'invisible': [('calendar_event_id','=', False)]}"
+                            />
+                            <field
+                                name="duration"
+                                widget="float_time"
+                                attrs="{'invisible': ['|',('duration', '=', False),
+                                   ('calendar_event_id','=', False)]}"
+                            />
+                            <field name="user_id" options="{'no_open': True}" />
 
                         </group>
                     </group>
-                    <group attrs="{'invisible': ['|',('calendar_event_id','=', False),('calendar_event_id_partner_ids','=', False)]}">
-                        <field name="calendar_event_id_partner_ids" mode="kanban"/>
+                    <group
+                        attrs="{'invisible': ['|',('calendar_event_id','=', False),('calendar_event_id_partner_ids','=', False)]}"
+                    >
+                        <field name="calendar_event_id_partner_ids" mode="kanban" />
                     </group>
                     <group>
-                        <field name="summary" placeholder="e.g. Discuss proposal"/>
-                        <field name="note" placeholder="Log a note..."/>
+                        <field name="summary" placeholder="e.g. Discuss proposal" />
+                        <field name="note" placeholder="Log a note..." />
                     </group>
                 </sheet>
             </form>
@@ -55,13 +74,19 @@
     <record id="mail_activity_view_tree" model="ir.ui.view">
         <field name="name">mail.activity.boards.view.tree</field>
         <field name="model">mail.activity</field>
-        <field name="inherit_id" ref="mail.mail_activity_view_tree"/>
+        <field name="inherit_id" ref="mail.mail_activity_view_tree" />
         <field name="arch" type="xml">
             <xpath expr="//tree" position="attributes">
-                <attribute name="default_order"/>
-                <attribute name="decoration-danger">(date_deadline &lt; current_date)</attribute>
-                <attribute name="decoration-warning">(date_deadline == current_date)</attribute>
-                <attribute name="decoration-success">(date_deadline &gt; current_date)</attribute>
+                <attribute name="default_order" />
+                <attribute
+                    name="decoration-danger"
+                >(date_deadline &lt; current_date)</attribute>
+                <attribute
+                    name="decoration-warning"
+                >(date_deadline == current_date)</attribute>
+                <attribute
+                    name="decoration-success"
+                >(date_deadline &gt; current_date)</attribute>
             </xpath>
 
         </field>
@@ -72,66 +97,103 @@
      <record id="mail_activity_view_kanban" model="ir.ui.view">
          <field name="name">mail.activity.boards.view.kanban</field>
          <field name="model">mail.activity</field>
-         <field name="priority" eval="10"/>
+         <field name="priority" eval="10" />
          <field name="arch" type="xml">
-            <kanban default_group_by="activity_type_id" class="_kanban_small_column o_opportunity_kanban" create="0" _order="date_deadline"
-                    group_create="false" group_delete="false" group_edit="false">
-                <field name="user_id"/>
-                <field name="res_id"/>
-                <field name="res_name"/>
-                <field name="res_model"/>
-                <field name="summary"/>
-                <field name="date_deadline"/>
-                <field name="state"/>
-                <field name="icon"/>
-                <field name="activity_type_id"/>
-                <field name="activity_category"/>
+            <kanban
+                default_group_by="activity_type_id"
+                class="_kanban_small_column o_opportunity_kanban"
+                create="0"
+                _order="date_deadline"
+                group_create="false"
+                group_delete="false"
+                group_edit="false"
+            >
+                <field name="user_id" />
+                <field name="res_id" />
+                <field name="res_name" />
+                <field name="res_model" />
+                <field name="summary" />
+                <field name="date_deadline" />
+                <field name="state" />
+                <field name="icon" />
+                <field name="activity_type_id" />
+                <field name="activity_category" />
                 <templates>
                     <t t-name="kanban-box">
                         <div t-attf-class="oe_kanban_content oe_kanban_global_click">
                             <div class="oe_kanban_content">
                                 <div>
                                     <strong class="o_kanban_record_subtitle">
-                                        <span t-attf-class="fa #{record.icon.raw_value}" />
-                                        <field name="summary"/>
+                                        <span
+                                            t-attf-class="fa #{record.icon.raw_value}"
+                                        />
+                                        <field name="summary" />
                                     </strong>
                                 </div>
                                 <div>
-                                    <strong class="o_kanban_record_title"><field name="res_name"/></strong>
+                                    <strong class="o_kanban_record_title"><field
+                                            name="res_name"
+                                        /></strong>
                                 </div>
 
                                 <div class="o_kanban_record_bottom">
                                     <div class="oe_kanban_bottom_left">
-                                        <t t-set="act_date" t-value="new Date(record.date_deadline.raw_value)"/>
+                                        <t
+                                            t-set="act_date"
+                                            t-value="new Date(record.date_deadline.raw_value)"
+                                        />
                                         <t t-if="act_date &lt; (new Date())">
-                                            <span t-attf-class="text-danger"><i class="fa fa-clock-o"/></span>
-                                            <t t-if="record.activity_category.raw_value!='meeting'">
+                                            <span t-attf-class="text-danger"><i
+                                                    class="fa fa-clock-o"
+                                                /></span>
+                                            <t
+                                                t-if="record.activity_category.raw_value!='meeting'"
+                                            >
                                                 <span t-attf-class="text-danger">
-                                                    <field name="date_deadline" t-options='{"widget": "date"}'/>
+                                                    <field
+                                                        name="date_deadline"
+                                                        t-options='{"widget": "date"}'
+                                                    />
                                                 </span>
                                             </t>
                                             <t t-else="">
                                                 <span t-attf-class="text-danger">
-                                                    <field name="calendar_event_id_start"  t-options='{"widget": "date"}'/>
+                                                    <field
+                                                        name="calendar_event_id_start"
+                                                        t-options='{"widget": "date"}'
+                                                    />
                                                 </span>
                                             </t>
                                         </t>
                                         <t t-else="">
-                                            <span><i class="fa fa-clock-o"/></span>
-                                            <t t-if="record.activity_category.raw_value!='meeting'">
+                                            <span><i class="fa fa-clock-o" /></span>
+                                            <t
+                                                t-if="record.activity_category.raw_value!='meeting'"
+                                            >
                                                 <span>
-                                                    <field name="date_deadline"  t-options='{"widget": "date"}'/>
+                                                    <field
+                                                        name="date_deadline"
+                                                        t-options='{"widget": "date"}'
+                                                    />
                                                 </span>
                                             </t>
                                             <t t-else="">
-                                                <field name="calendar_event_id_start"  t-options='{"widget": "date"}'/>
+                                                <field
+                                                    name="calendar_event_id_start"
+                                                    t-options='{"widget": "date"}'
+                                                />
                                             </t>
                                         </t>
                                     </div>
                                     <div class="oe_kanban_bottom_right">
-                                        <img t-att-src="kanban_image('res.users', 'image_small', record.user_id.raw_value)"
-                                             t-att-title="record.user_id.value"
-                                             t-att-alt="record.user_id.value" width="24" height="24" class="oe_kanban_avatar"/>
+                                        <img
+                                            t-att-src="kanban_image('res.users', 'image_small', record.user_id.raw_value)"
+                                            t-att-title="record.user_id.value"
+                                            t-att-alt="record.user_id.value"
+                                            width="24"
+                                            height="24"
+                                            class="oe_kanban_avatar"
+                                        />
                                     </div>
                                 </div>
                             </div>
@@ -147,28 +209,42 @@
     <record id="mail_activity_view_search" model="ir.ui.view">
         <field name="name">mail.activity.boards.view.search</field>
         <field name="model">mail.activity</field>
-        <field name="inherit_id" ref="mail.mail_activity_view_search"/>
-        <field name="priority" eval="2"/>
+        <field name="inherit_id" ref="mail.mail_activity_view_search" />
+        <field name="priority" eval="2" />
         <field name="mode">primary</field>
         <field name="arch" type="xml">
             <xpath expr='//field[@name="res_model_id"]' position='before'>
-                <field name="user_id"/>
-                <field name="res_name" string="Origin"/>
+                <field name="user_id" />
+                <field name="res_name" string="Origin" />
             </xpath>
 
             <xpath expr='//filter[@name="activities_overdue"]' position='before'>
-                <filter string="Act. next month" name="activities_month"
-                        domain="[('date_deadline', '&lt;', (context_today()+datetime.timedelta(days=30)).strftime('%Y-%m-%d'))]"
-                        help="Show activities scheduled for next month."/>
-                <filter string="Act. next 6 months" name="activities_6_month"
-                        domain="[('date_deadline', '&lt;', (context_today()+datetime.timedelta(days=180)).strftime('%Y-%m-%d'))]"
-                        help="Show activities scheduled for next 6 months."/>
-                <separator/>
+                <filter
+                    string="Act. next month"
+                    name="activities_month"
+                    domain="[('date_deadline', '&lt;', (context_today()+datetime.timedelta(days=30)).strftime('%Y-%m-%d'))]"
+                    help="Show activities scheduled for next month."
+                />
+                <filter
+                    string="Act. next 6 months"
+                    name="activities_6_month"
+                    domain="[('date_deadline', '&lt;', (context_today()+datetime.timedelta(days=180)).strftime('%Y-%m-%d'))]"
+                    help="Show activities scheduled for next 6 months."
+                />
+                <separator />
             </xpath>
 
             <xpath expr='//search/group' position='inside'>
-                <filter string="User" name='assigned_user' context="{'group_by':'user_id'}"/>
-                <filter string="Origin" name='origin' context="{'group_by': 'res_model_id'}"/>
+                <filter
+                    string="User"
+                    name='assigned_user'
+                    context="{'group_by':'user_id'}"
+                />
+                <filter
+                    string="Origin"
+                    name='origin'
+                    context="{'group_by': 'res_model_id'}"
+                />
             </xpath>
 
         </field>
@@ -184,15 +260,17 @@
         <field name="view_mode">kanban,form</field>
         <field name="domain">[]</field>
         <field name="context">{}</field>
-        <field name="view_ids"
-                   eval="[(5, 0, 0),
+        <field
+            name="view_ids"
+            eval="[(5, 0, 0),
                           (0, 0, {'view_mode': 'kanban', 'view_id': ref('mail_activity_view_kanban')}),
                           (0, 0, {'view_mode': 'tree', 'view_id': ref('mail_activity_view_tree')}),
                           (0, 0, {'view_mode': 'form', 'view_id': ref('mail_activity_view_form_board')}),
                           (0, 0, {'view_mode': 'calendar'}),
                           (0, 0, {'view_mode': 'pivot'}),
-                          (0, 0, {'view_mode': 'graph'})]"/>
-        <field name="search_view_id" ref="mail_activity_view_search"/>
+                          (0, 0, {'view_mode': 'graph'})]"
+        />
+        <field name="search_view_id" ref="mail_activity_view_search" />
     </record>
 
 
@@ -200,10 +278,11 @@
 Menus
 -->
     <menuitem
-            id="board_menu_activities"
-            name="Activities"
-            parent="base.menu_board_root"
-            action="open_boards_activities"
-            sequence="1"/>
+        id="board_menu_activities"
+        name="Activities"
+        parent="base.menu_board_root"
+        action="open_boards_activities"
+        sequence="1"
+    />
 
 </odoo>
diff --git a/mail_activity_board/views/templates.xml b/mail_activity_board/views/templates.xml
index 54182ed..c042c21 100644
--- a/mail_activity_board/views/templates.xml
+++ b/mail_activity_board/views/templates.xml
@@ -1,8 +1,15 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <odoo>
-    <template id="assets_backend" name="mail_activity_board assets" inherit_id="web.assets_backend">
+    <template
+        id="assets_backend"
+        name="mail_activity_board assets"
+        inherit_id="web.assets_backend"
+    >
         <xpath expr="." position="inside">
-            <script type="text/javascript" src="/mail_activity_board/static/src/js/override_chatter.js"/>
+            <script
+                type="text/javascript"
+                src="/mail_activity_board/static/src/js/override_chatter.js"
+            />
         </xpath>
     </template>
 </odoo>