in src/dataframe.rs [599:613]
fn write_csv(&self, path: &str, with_header: bool, py: Python) -> PyDataFusionResult<()> {
let csv_options = CsvOptions {
has_header: Some(with_header),
..Default::default()
};
wait_for_future(
py,
self.df.as_ref().clone().write_csv(
path,
DataFrameWriteOptions::new(),
Some(csv_options),
),
)?;
Ok(())
}