create ns instance from ns list; minor fix

Change-Id: I31e3b349e86f67e776b85c2484f455c3594da0a6
Signed-off-by: lombardof <flombardo@cnit.it>
diff --git a/projecthandler/views.py b/projecthandler/views.py
index 8c553a4..cd10806 100644
--- a/projecthandler/views.py
+++ b/projecthandler/views.py
@@ -166,7 +166,6 @@
             return render(request, 'error.html', {'error_msg': 'Project not found.'})
 
 
-
 @login_required
 def show_descriptors(request, project_id=None, descriptor_type=None):
     csrf_token_value = get_token(request)
@@ -174,16 +173,15 @@
     project_overview = projects[0].get_overview_data()
     prj_token = project_overview['type']
 
-    page = prj_token + '/' + prj_token + '_project_descriptors.html'
-
-    return render(request, page, {
+    url = prj_token + '/' + prj_token + '_project_descriptors.html'
+    return __response_handler(request, {
         'descriptors': projects[0].get_descriptors(descriptor_type),
         'project_id': project_id,
         'project_type': prj_token,
         'project_overview_data': project_overview,
         "csrf_token_value": csrf_token_value,
         'descriptor_type': descriptor_type
-    })
+    },url)
 
 
 @login_required