Method from

src/err.rs:448–457

(err: PythonObjectDowncastError<'p>)

/// Converts `PythonObjectDowncastError` to Python `TypeError`.
impl<'p> std::convert::From<PythonObjectDowncastError<'p>> for PyErr {
    fn from(err: PythonObjectDowncastError<'p>) -> PyErr {
        let msg = format!(
            "Expected type that converts to {} but received {}",
            err.expected_type_name,
            err.received_type.name(err.py),
        )
        .to_py_object(err.py)
        .into_object();
        PyErr::new_lazy_init(err.py.get_type::<exc::TypeError>(), Some(msg))
    }
}

/// Construct PyObject from the result of a Python FFI call that returns a new reference (owned pointer).