Update to Django 1.11

gargantext/urls.py

-"""URL Configuration of GarganText"""
+"""gargantext URL Configuration
 
-from django.conf.urls                   import url
-from django.contrib                     import admin
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/1.11/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.conf.urls import url, include
+    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
+"""
+from django.conf.urls import url
+from django.contrib import admin
 from django.views.generic.base          import RedirectView        as Redirect
 from django.contrib.staticfiles.storage import staticfiles_storage as static
 
-
 urlpatterns = [
     url(r'^admin/', admin.site.urls),
     url(r'^favicon.ico$', Redirect.as_view(url=static.url('favicon.ico'),

gargantext/wsgi.py

@@ -4,7 +4,7 @@ WSGI config for gargantext project.
 It exposes the WSGI callable as a module-level variable named ``application``.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/1.9/howto/deployment/wsgi/
+https://docs.djangoproject.com/en/1.11/howto/deployment/wsgi/
 """
 
 import os

manage.py

@@ -4,7 +4,19 @@ import sys
 
 if __name__ == "__main__":
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "gargantext.settings")
-
-    from django.core.management import execute_from_command_line
-
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError:
+        # The above import may fail for some other reason. Ensure that the
+        # issue is really that Django is missing to avoid masking other
+        # exceptions on Python 2.
+        try:
+            import django
+        except ImportError:
+            raise ImportError(
+                "Couldn't import Django. Are you sure it's installed and "
+                "available on your PYTHONPATH environment variable? Did you "
+                "forget to activate a virtual environment?"
+            )
+        raise
     execute_from_command_line(sys.argv)