fixed LOCALE_PATHS setting

pv/settings.py

@@ -31,7 +31,9 @@ SITE_ID = 1
 USE_I18N = True
 USE_L10N = True
 
-LOCALE_PATHS = os.path.join(PROJECT_DIR, 'locale')
+LOCALE_PATHS = (
+    os.path.join(PROJECT_DIR, 'locale'),
+)
 
 MEDIA_ROOT = os.path.join(PROJECT_DIR, 'site_media')
 MEDIA_URL = '/site_media/'