[options] Handle special characters in argv (Fixes #5157)

youtube_dl/options.py

@@ -794,6 +794,11 @@ def parseOpts(overrideArguments=None):
             write_string('[debug] Override config: ' + repr(overrideArguments) + '\n')
     else:
         command_line_conf = sys.argv[1:]
+        # Workaround for Python 2.x, where argv is a byte list
+        if sys.version_info < (3,):
+            command_line_conf = [
+                a.decode('utf-8', 'replace') for a in command_line_conf]
+
         if '--ignore-config' in command_line_conf:
             system_conf = []
             user_conf = []