PEP8 cleanups, style cleanups, unused imports

apps/document_indexing/os_specifics.py

@@ -6,16 +6,16 @@ from .conf.settings import SUFFIX_SEPARATOR
 
 
 def assemble_suffixed_filename(filename, suffix=0):
-    '''
+    """
     Split document filename, to attach suffix to the name part then
     re attacht the extension
-    '''
-    
+    """
+
     if suffix:
         name, extension = filename.split(os.split(os.extsep))
         return SUFFIX_SEPARATOR.join([name, unicode(suffix), os.extsep, extension])
     else:
-        return file_filename
+        return filename
 
 
 def assemble_path_from_list(directory_list):