use py03 intern macro

Author: fft001

src/serializers/type_serializers/uuid.rs

@@ -1,6 +1,6 @@
 use std::borrow::Cow;
 
-use pyo3::prelude::*;
+use pyo3::{intern, prelude::*};
 use pyo3::types::PyDict;
 use uuid::Uuid;
 
@@ -12,7 +12,8 @@ use super::{
 };
 
 pub(crate) fn uuid_to_string(py_uuid: &Bound<'_, PyAny>) -> PyResult<String> {
-    let uuid_int_val: u128 = py_uuid.getattr("int")?.extract()?;
+    let py = py_uuid.py();
+    let uuid_int_val: u128 = py_uuid.getattr(intern!(py,"int"))?.extract()?;
     let uuid = Uuid::from_u128(uuid_int_val);
     Ok(uuid.to_string())
 }