Fix whitespace and indentation, per pep8

pgweb/pugs/admin.py

@@ -3,9 +3,11 @@ from django.contrib import admin
 from pgweb.util.admin import PgwebAdmin
 from models import PUG
 
+
 class PUGAdmin(PgwebAdmin):
     list_display = ('title', 'approved', )
     list_filter = ('approved', )
     search_fields = ('title', )
 
+
 admin.site.register(PUG, PUGAdmin)