tests with ubuntu 22.04, django-bootstrap-datepicker-plus is a standalone package and fix encoding in tests

apps/wei/forms/registration.py

@@ -1,13 +1,14 @@
 # Copyright (C) 2018-2023 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
+from bootstrap_datepicker_plus.widgets import DatePickerInput
 from django import forms
 from django.contrib.auth.models import User
 from django.db.models import Q
 from django.forms import CheckboxSelectMultiple
 from django.utils.translation import gettext_lazy as _
 from note.models import NoteSpecial, NoteUser
-from note_kfet.inputs import AmountInput, DatePickerInput, Autocomplete, ColorWidget
+from note_kfet.inputs import AmountInput, Autocomplete, ColorWidget
 
 from ..models import WEIClub, WEIRegistration, Bus, BusTeam, WEIMembership, WEIRole
 

apps/wei/tests/test_wei_registration.py

@@ -439,7 +439,7 @@ class TestWEIRegistration(TestCase):
             emergency_contact_phone='+33123456789',
         ))
         self.assertEqual(response.status_code, 200)
-        self.assertTrue("This user can't be in her/his first year since he/she has already participated to a WEI."
+        self.assertTrue("This user can't be in her/his first year since he/she has already participated to a WEI."
                         in str(response.context["form"].errors))
 
         # Check that if the WEI is started, we can't register anyone
@@ -635,7 +635,7 @@ class TestWEIRegistration(TestCase):
         ))
         self.assertEqual(response.status_code, 200)
         self.assertFalse(response.context["form"].is_valid())
-        self.assertTrue("This team doesn't belong to the given bus." in str(response.context["form"].errors))
+        self.assertTrue("This team doesn't belong to the given bus." in str(response.context["form"].errors))
 
         response = self.client.post(reverse("wei:validate_registration", kwargs=dict(pk=self.registration.pk)), dict(
             roles=[WEIRole.objects.get(name="GC WEI").id],