[refactor] Single quotes consistency

[youtube-dl] / youtube_dl / options.py

diff --git a/youtube_dl/options.py b/youtube_dl/options.py
index 2137dfb3f1d83fbd5e32340ed4fb4e81cd33fb86..3afa8bb6faac3610dfc3695fe27d6006ff9339b5 100644 (file)
--- a/youtube_dl/options.py
+++ b/youtube_dl/options.py
@@ -85,7 +85,7 @@ def parseOpts(overrideArguments=None):
         if option.takes_value():
             opts.append(' %s' % option.metavar)
 
-        return "".join(opts)
+        return ''.join(opts)
 
     def _comma_separated_values_options_callback(option, opt_str, value, parser):
         setattr(parser.values, option.dest, value.split(','))