Function from_dict_pyo3 

pub fn from_dict_pyo3<T>(py: Python<'_>, values: Py<PyDict>) -> Result<T, PyErr>
where
    T: DeserializeOwned,

Convert a Python dictionary to a Rust type that implements DeserializeOwned.

Errors

Returns an error if:

• The Python dictionary cannot be serialized to JSON.
• The JSON string cannot be deserialized to type T.
• The Python json module fails to import or execute.