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Diffstat (limited to 'youtube_dl/utils.py')
| -rw-r--r-- | youtube_dl/utils.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index fdf5e29e7..c9cbd5842 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -2733,6 +2733,8 @@ def cli_option(params, command_option, param): def cli_bool_option(params, command_option, param, true_value='true', false_value='false', separator=None): param = params.get(param) + if param is None: + return [] assert isinstance(param, bool) if separator: return [command_option + separator + (true_value if param else false_value)] |