diff --git a/apps/api/urls.py b/apps/api/urls.py
index 4f27185..ee8c34e 100644
--- a/apps/api/urls.py
+++ b/apps/api/urls.py
@@ -2,7 +2,8 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.conf import settings
-from django.conf.urls import url, include
+from django.conf.urls import include
+from django.urls import re_path as url
 from rest_framework import routers
 
 from .views import UserInformationView
diff --git a/apps/note/migrations/0003_alter_note_polymorphic_ctype_and_more.py b/apps/note/migrations/0003_alter_note_polymorphic_ctype_and_more.py
new file mode 100644
index 0000000..0873339
--- /dev/null
+++ b/apps/note/migrations/0003_alter_note_polymorphic_ctype_and_more.py
@@ -0,0 +1,36 @@
+# Generated by Django 4.2.7 on 2023-11-07 13:06
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("contenttypes", "0002_remove_content_type_name"),
+        ("note", "0002_special_note"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="note",
+            name="polymorphic_ctype",
+            field=models.ForeignKey(
+                editable=False,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="polymorphic_%(app_label)s.%(class)s_set+",
+                to="contenttypes.contenttype",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transaction",
+            name="polymorphic_ctype",
+            field=models.ForeignKey(
+                editable=False,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="polymorphic_%(app_label)s.%(class)s_set+",
+                to="contenttypes.contenttype",
+            ),
+        ),
+    ]
diff --git a/apps/note/templates/note/amount_input.html b/apps/note/templates/note/amount_input.html
index d487311..3da9ac4 100644
--- a/apps/note/templates/note/amount_input.html
+++ b/apps/note/templates/note/amount_input.html
@@ -9,7 +9,12 @@ SPDX-License-Identifier: GPL-3.0-or-later
            name="{{ widget.name }}"
            {# Other attributes are loaded  #}
            {% for name, value in widget.attrs.items %}
-                {% ifnotequal value False %}{{ name }}{% ifnotequal value True %}="{{ value|stringformat:'s' }}"{% endifnotequal %}{% endifnotequal %}
+                {% if value != False %}
+                    {{ name }}
+                    {% if value != True %}
+                        ="{{ value|stringformat:'s' }}"
+                    {% endif %}
+                {% endif %}
             {% endfor %}>
     <div class="input-group-append">
         <span class="input-group-text">€</span>
diff --git a/note_kfet/settings/base.py b/note_kfet/settings/base.py
index 2a99908..8fb3094 100644
--- a/note_kfet/settings/base.py
+++ b/note_kfet/settings/base.py
@@ -40,6 +40,8 @@ INSTALLED_APPS = [
     # External apps
     'bootstrap_datepicker_plus',
     'colorfield',
+    'bootstrap4',
+    'crispy_bootstrap4',
     'crispy_forms',
     'django_htcpcp_tea',
     'django_tables2',
@@ -294,3 +296,5 @@ PHONENUMBER_DEFAULT_REGION = 'FR'
 
 # We add custom information to CAS, in order to give a normalized name to other services
 CAS_AUTH_CLASS = 'member.auth.CustomAuthUser'
+
+DEFAULT_AUTO_FIELD='django.db.models.AutoField' 
diff --git a/requirements.txt b/requirements.txt
index 598a3b7..2728a7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,3 +15,4 @@ django-tables2
 python-memcached
 phonenumbers
 Pillow
+crispy_bootstrap4