reffactor admin module in blog_ext app

blog_ext/admin.py

@@ -3,8 +3,12 @@ from django.utils.translation import ugettext_lazy as _
 
 from ckeditor_uploader.widgets import CKEditorUploadingWidget
 
-from pinax.blog.admin import PostAdmin as BasePostAdmin, SectionAdmin as BaseSectionAdmin, \
+from pinax.blog.admin import (
+    PostAdmin as BasePostAdmin,
+    SectionAdmin as BaseSectionAdmin,
     PostImageSet as BasePostImageSet
+)
+
 from pinax.blog.models import (
     Post as PinaxPost,
     Section as PinaxSection,