[xattr] Coding style

youtube_dl/PostProcessor.py

@@ -523,6 +523,7 @@ class FFmpegMergerPP(FFmpegPostProcessor):
         self.run_ffmpeg_multiple_files(info['__files_to_merge'], filename, args)
         return True, info
 
+
 class XAttrMetadataPP(PostProcessor):
 
     #
@@ -602,9 +603,9 @@ class XAttrMetadataPP(PostProcessor):
                     assert(path.find(":") < 0)
                     assert(os.path.exists(path))
 
-                    f = open(path+":"+key, "w")
+                    ads_fn = path + ":" + key
+                    with open(ads_fn, "w") as f:
                         f.write(value)
-                    f.close()
 
         # Write the metadata to the file's xattrs
         self._downloader.to_screen('[metadata] Writing metadata to file\'s xattrs...')