Length of nonetype error. fixes #105

couchpotato/core/plugins/renamer/main.py

@@ -200,7 +200,7 @@ class Renamer(Plugin):
 
                             # rename subtitles with or without language
                             #rename_files[current_file] = os.path.join(destination, final_folder_name, final_file_name)
-                            sub_langs = group['subtitle_language'].get(current_file)
+                            sub_langs = group['subtitle_language'].get(current_file, [])
 
                             rename_extras = self.getRenameExtras(
                                 extra_type = 'subtitle_extra',