-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+import json
 from django.core.files.base import ContentFile
 from django.db import models, migrations
 from django.template.loader import render_to_string
     from librarian import dcparser
     for pic in Picture.objects.all():
         info = dcparser.parse(pic.xml_file.path, PictureInfo)
-        pic.extra_info = info.to_dict()
-        areas_json = pic.areas_json
-        for field in areas_json[u'things'].values():
-            field[u'object'] = field[u'object'].capitalize()
-        pic.areas_json = areas_json
-        html_text = unicode(render_to_string('picture/picture_info.html', {
-                    'things': pic.areas_json['things'],
-                    'themes': pic.areas_json['themes'],
-                    }))
+        pic.extra_info = json.dumps(info.to_dict())
+        areas_json = json.loads(pic.areas_json)
+        for field in areas_json['things'].values():
+            field['object'] = field['object'].capitalize()
+        pic.areas_json = json.dumps(areas_json)
+        html_text = render_to_string('picture/picture_info.html', {
+                    'things': areas_json['things'],
+                    'themes': areas_json['themes'],
+                    })
         pic.html_file.save("%s.html" % pic.slug, ContentFile(html_text))
         pic.save()