Function trs_dataframe 

pub fn trs_dataframe(_py: Python<'_>, m: Bound<'_, PyModule>) -> PyResult<()>

use pyo3::prelude::*;

 fn main() {
    let result = pyo3::Python::with_gil(|py| -> PyResult<()> {
        let module = PyModule::new(py, "trs_dataframe")?;
        let _m = trs_dataframe::trs_dataframe(py, module)?;
        Ok(())
        });
    assert!(result.is_ok(), "{:?}", result);
 }