diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 825a8443e..117f1c513 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -2100,7 +2100,7 @@ class YoutubeDL(object):
                 [info_filename], mode='r',
                 openhook=fileinput.hook_encoded('utf-8'))) as f:
             # FileInput doesn't have a read method, we can't call json.load
-            #TODO: let's use io.open(), then
+            # TODO: let's use io.open(), then
             info = self.filter_requested_info(json.loads('\n'.join(f)))
         try:
             self.process_ie_result(info, download=True)