[MIG] Make module installable in v12

__init__.py

 # -*- coding: utf-8 -*-
 
-import models
+from . import models
\ No newline at end of file

__manifest__.py

@@ -5,15 +5,12 @@
 
 {
     'name': 'Le Filament - Chèques',
-
     'summary': """Suivi chèques""",
-
     'version': '10.0.1.0',
     'license': 'AGPL-3',
     'description': """
         Liste et statut des chèques émis
     """,
-	
     'author': 'LE FILAMENT',
     'category': 'Account',
     'depends': ['account'],

models/__init__.py

 # -*- coding: utf-8 -*-
 
-import lefilament_cheque
+from . import lefilament_cheque
\ No newline at end of file

models/lefilament_cheque.py

@@ -3,18 +3,21 @@
 # © 2017 Le Filament (<http://www.le-filament.com>)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
-from odoo import api, fields, models
+from odoo import fields, models
 
 
 class LefilamentCheque(models.Model):
     _name = 'lefilament.cheque'
     _order = 'name desc'
 
-
     name = fields.Char("Numéro", required=True,)
     date_issue = fields.Date("Date d'émission", required=True,)
     date_collection = fields.Date("Date d'encaissement")
     partner_id = fields.Many2one("res.partner", string="Parteraire")
     description = fields.Char("Détail", required=True,)
     amount = fields.Float("Montant", required=True,)
-	status = fields.Selection([("current", "en cours"), ("collected","encaissé"), ("cancel", "annulé")], string="Statut", default="current")
+    status = fields.Selection([
\ No newline at end of file
+        ("current", "en cours"),
+        ("collected", "encaissé"),
+        ("cancel", "annulé")],
+        string="Statut", default="current")

views/lefilament_cheque_view.xml

@@ -56,9 +56,9 @@
                     <filter string="encaissés" name="collected" domain="[('status','=','collected')]"/>
                     <filter string="annulés" name="cancelled" domain="[('status','=','cancel')]"/>
                     <group expand="0" string="Group By">
-                        <filter string="Date d'émission" context="{'group_by': 'date_issue'}"/>
-                        <filter string="Date d'encaissement" context="{'group_by': 'date_collection'}"/>
-                        <filter string="Client" context="{'group_by': 'partner_id'}"/>
+                        <filter string="Date d'émission" name="group_date_issue" context="{'group_by': 'date_issue'}"/>
+                        <filter string="Date d'encaissement" name="group_date_collection" context="{'group_by': 'date_collection'}"/>
+                        <filter string="Client" name="group_partner" context="{'group_by': 'partner_id'}"/>
                     </group>
                 </search>
             </field>