Add compatibility with recent Django versions

stages/admin.py

@@ -73,6 +73,7 @@ class AvailabilityAdminForm(forms.ModelForm):
 
     class Meta:
         model = Availability
+        fields = '__all__'
         widgets = {
             'num_avail': forms.TextInput(attrs={'size': 3}),
         }

templates/admin/index.html

@@ -1,6 +1,5 @@
 {% extends "admin/base_site.html" %}
 {% load i18n admin_static %}
-{% load url from future %}
 
 {% block extrastyle %}{{ block.super }}
   <link rel="stylesheet" type="text/css" href="{% static "admin/css/dashboard.css" %}">

templates/attribution.html

@@ -1,6 +1,5 @@
 {% extends "admin/base_site.html" %}
 {% load i18n admin_static %}
-{% load url from future %}
 
 {% block extrastyle %}
 <style>

templates/corporation.html

@@ -1,6 +1,5 @@
 {% extends "admin/base_site.html" %}
 {% load i18n %}
-{% load url from future %}
 
 {% block extrastyle %}
 <style>

templates/corporations.html

@@ -1,5 +1,4 @@
 {% extends "admin/base_site.html" %}
-{% load url from future %}
 
 {% block content %}
 <h2>Liste des institutions</h2>

templates/trainings_list.html

@@ -1,4 +1,3 @@
-{% load url from future %}
 {% for obj in trainings %}
 <li id="training_{{ obj.id }}">{{ obj.student }} ({{ obj.student.klass }}) - {{ obj.availability.corporation }} - {{ obj.availability.domain }}
     {% if obj.referent %} (réf: {{ obj.referent }}){% else %}- <span class="missing">Pas de référent</span>{% endif %}