Download box in mobile.

[wolnelektury.git] / src / sponsors / models.py

diff --git a/src/sponsors/models.py b/src/sponsors/models.py
index 6e4ffe1..704b066 100644 (file)
--- a/src/sponsors/models.py
+++ b/src/sponsors/models.py
@@ -6,7 +6,7 @@ import time
 from io import BytesIO
 from django.core.cache import cache
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.template.loader import render_to_string
 from PIL import Image
 
@@ -53,7 +53,8 @@ class SponsorPage(models.Model):
                     offset -= THUMB_HEIGHT
                 except KeyError:
                     pass
-            result.append(result_group)
+            if result_group['sponsors']:
+                result.append(result_group)
         return result
 
     def render_sprite(self):
@@ -95,7 +96,7 @@ class SponsorPage(models.Model):
             'page': self
         })
         ret = super(SponsorPage, self).save(*args, **kwargs)
-        cache.delete('sponsor_page:' + name)
+        cache.delete('sponsor_page:' + self.name)
         return ret
 
     def __str__(self):