Function py_stream_tardis_options_chain 

pub fn py_stream_tardis_options_chain(
    filepath: PathBuf,
    chunk_size: usize,
    underlyings: Option<Vec<String>>,
    price_precision: Option<u8>,
    size_precision: Option<u8>,
    limit: Option<usize>,
) -> PyResult<TardisOptionsChainStreamIterator>

Streams Tardis options chain rows from a CSV file.

Errors

Returns a Python error if loading or parsing the CSV file fails.