Function py_stream_tardis_deltas 

pub fn py_stream_tardis_deltas(
    filepath: PathBuf,
    chunk_size: usize,
    price_precision: Option<u8>,
    size_precision: Option<u8>,
    instrument_id: Option<InstrumentId>,
    limit: Option<usize>,
) -> PyResult<TardisDeltaStreamIterator>

Streams order book deltas from a Tardis CSV file.

Errors

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