diff --git a/base_user_role_history/security/base_user_role_line_history.xml b/base_user_role_history/security/base_user_role_line_history.xml
index c99c1365..5f339e2d 100644
--- a/base_user_role_history/security/base_user_role_line_history.xml
+++ b/base_user_role_history/security/base_user_role_line_history.xml
@@ -1,17 +1,14 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2019 ACSONE SA/NV
      License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
-
 <odoo>
-
     <record model="ir.model.access" id="base_user_role_line_history_access_name">
         <field name="name">base.user.role.line.history access user</field>
-        <field name="model_id" ref="model_base_user_role_line_history"/>
-        <field name="group_id" ref="base.group_user"/>
-        <field name="perm_read" eval="1"/>
-        <field name="perm_create" eval="0"/>
-        <field name="perm_write" eval="0"/>
-        <field name="perm_unlink" eval="0"/>
+        <field name="model_id" ref="model_base_user_role_line_history" />
+        <field name="group_id" ref="base.group_user" />
+        <field name="perm_read" eval="1" />
+        <field name="perm_create" eval="0" />
+        <field name="perm_write" eval="0" />
+        <field name="perm_unlink" eval="0" />
     </record>
-
 </odoo>
diff --git a/base_user_role_history/views/base_user_role_line_history.xml b/base_user_role_history/views/base_user_role_line_history.xml
index a1cabe9f..8031ba34 100644
--- a/base_user_role_history/views/base_user_role_line_history.xml
+++ b/base_user_role_history/views/base_user_role_line_history.xml
@@ -1,13 +1,12 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2019 ACSONE SA/NV
      License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
-
 <odoo>
-
     <!--FORM view-->
-
     <record model="ir.ui.view" id="base_user_role_line_history_form_view">
-        <field name="name">base.user.role.line.history.form (in base_user_role_history)</field>
+        <field
+            name="name"
+        >base.user.role.line.history.form (in base_user_role_history)</field>
         <field name="model">base.user.role.line.history</field>
         <field name="arch" type="xml">
             <form create="0" edit="0" delete="0">
@@ -15,75 +14,79 @@
                 </header>
                 <sheet>
                     <group name="group_main" col="4">
-                        <field name="create_uid"
-                               string="Editor"/>
-                        <field name="performed_action"/>
-                        <field name="user_id"
-                               string="Edited user"/>
-                        <field name="create_date"
-                               string="Date and time of edition"/>
-                        <field name="old_role_id"/>
-                        <field name="new_role_id"/>
-                        <field name="old_date_from"/>
-                        <field name="new_date_from"/>
-                        <field name="old_date_to"/>
-                        <field name="new_date_to"/>
-                        <field name="old_is_enabled"/>
-                        <field name="new_is_enabled"/>
+                        <field name="create_uid" string="Editor" />
+                        <field name="performed_action" />
+                        <field name="user_id" string="Edited user" />
+                        <field name="create_date" string="Date and time of edition" />
+                        <field name="old_role_id" />
+                        <field name="new_role_id" />
+                        <field name="old_date_from" />
+                        <field name="new_date_from" />
+                        <field name="old_date_to" />
+                        <field name="new_date_to" />
+                        <field name="old_is_enabled" />
+                        <field name="new_is_enabled" />
                     </group>
                 </sheet>
             </form>
         </field>
     </record>
-
     <!--TREE view-->
-
     <record model="ir.ui.view" id="base_user_role_line_history_tree_view">
-        <field name="name">base.user.role.line.history.tree (in base_user_role_history)</field>
+        <field
+            name="name"
+        >base.user.role.line.history.tree (in base_user_role_history)</field>
         <field name="model">base.user.role.line.history</field>
         <field name="arch" type="xml">
-            <tree decoration-success="performed_action == 'add'"
-                  decoration-danger="performed_action == 'unlink'"
-                  create="0" edit="0" delete="0">
-                <field name="create_uid"
-                       string="Editor"/>
-                <field name="create_date"
-                       string="Date and time of edition"/>
-                <field name="performed_action"/>
-                <field name="old_role_id"/>
-                <field name="new_role_id"/>
-                <field name="old_date_from"/>
-                <field name="new_date_from"/>
-                <field name="old_date_to"/>
-                <field name="new_date_to"/>
-                <field name="old_is_enabled"/>
-                <field name="new_is_enabled"/>
+            <tree
+                decoration-success="performed_action == 'add'"
+                decoration-danger="performed_action == 'unlink'"
+                create="0"
+                edit="0"
+                delete="0"
+            >
+                <field name="create_uid" string="Editor" />
+                <field name="create_date" string="Date and time of edition" />
+                <field name="performed_action" />
+                <field name="old_role_id" />
+                <field name="new_role_id" />
+                <field name="old_date_from" />
+                <field name="new_date_from" />
+                <field name="old_date_to" />
+                <field name="new_date_to" />
+                <field name="old_is_enabled" />
+                <field name="new_is_enabled" />
             </tree>
         </field>
     </record>
-
     <!--SEARCH view-->
-
     <record model="ir.ui.view" id="base_user_role_line_history_search_view">
-        <field name="name">base.user.role.line.history.search (in base_user_role_history)</field>
+        <field
+            name="name"
+        >base.user.role.line.history.search (in base_user_role_history)</field>
         <field name="model">base.user.role.line.history</field>
         <field name="arch" type="xml">
             <search>
-                <field name="old_role_id"/>
-                <field name="new_role_id"/>
+                <field name="old_role_id" />
+                <field name="new_role_id" />
                 <group string="Group By" name="groupby">
-                    <filter name="group_by_old_role"
-                            string="Old role"
-                            context="{'group_by': 'old_role_id'}"/>
-                    <filter name="group_by_new_role"
-                            string="New role"
-                            context="{'group_by': 'new_role_id'}"/>
-                    <filter name="group_by_performed_action"
-                            string="Action"
-                            context="{'group_by': 'performed_action'}"/>
+                    <filter
+                        name="group_by_old_role"
+                        string="Old role"
+                        context="{'group_by': 'old_role_id'}"
+                    />
+                    <filter
+                        name="group_by_new_role"
+                        string="New role"
+                        context="{'group_by': 'new_role_id'}"
+                    />
+                    <filter
+                        name="group_by_performed_action"
+                        string="Action"
+                        context="{'group_by': 'performed_action'}"
+                    />
                 </group>
             </search>
         </field>
     </record>
-
 </odoo>
diff --git a/base_user_role_history/views/res_users.xml b/base_user_role_history/views/res_users.xml
index 8eea0cf0..0f659e06 100644
--- a/base_user_role_history/views/res_users.xml
+++ b/base_user_role_history/views/res_users.xml
@@ -1,29 +1,30 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2019 ACSONE SA/NV
      License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
-
 <odoo>
-
     <!--FORM view-->
-
     <record model="ir.ui.view" id="res_users_form_view">
         <field name="name">res.users.form (in base_user_role_history)</field>
         <field name="model">res.users</field>
-        <field name="inherit_id" ref="base.view_users_form"/>
+        <field name="inherit_id" ref="base.view_users_form" />
         <field name="arch" type="xml">
             <div name="button_box" position="inside">
-                <button name="show_role_lines_history"
-                        help="Roles history"
-                        class="oe_stat_button"
-                        icon="fa-history"
-                        type="object">
+                <button
+                    name="show_role_lines_history"
+                    help="Roles history"
+                    class="oe_stat_button"
+                    icon="fa-history"
+                    type="object"
+                >
                     <div class="o_stat_info">
                         <span class="o_stat_text">Last update of roles</span>
-                        <field class="o_stat_value" name="last_role_line_modification"/>
+                        <field
+                            class="o_stat_value"
+                            name="last_role_line_modification"
+                        />
                     </div>
                 </button>
             </div>
         </field>
     </record>
-
 </odoo>