pub fn dump(
py: Python<'_>,
obj: PyObject,
fp: PyObject,
skipkeys: Option<PyObject>,
ensure_ascii: Option<PyObject>,
check_circular: Option<PyObject>,
allow_nan: Option<PyObject>,
cls: Option<PyObject>,
indent: Option<PyObject>,
separators: Option<PyObject>,
default: Option<PyObject>,
sort_keys: Option<PyObject>,
kwargs: Option<&PyDict>
) -> PyResult<PyObject>