clean up

Author: MarkusSintonen

src/schema_traverse.rs

@@ -170,16 +170,14 @@ pub fn gather_schemas_for_cleaning<'py>(
     definitions: &Bound<'py, PyAny>,
 ) -> PyResult<Bound<'py, PyDict>> {
     let py = schema.py();
-    let schema_dict = schema.downcast_exact::<PyDict>()?;
-
     let mut ctx = GatherCtx {
         definitions_dict: definitions.downcast_exact()?,
-        def_refs: PyDict::new_bound(definitions.py()),
-        recursive_def_refs: PySet::empty_bound(definitions.py())?,
-        discriminators: PyList::empty_bound(definitions.py()),
+        def_refs: PyDict::new_bound(py),
+        recursive_def_refs: PySet::empty_bound(py)?,
+        discriminators: PyList::empty_bound(py),
         recursively_seen_refs: HashSet::new(),
     };
-    gather_schema(schema_dict, &mut ctx)?;
+    gather_schema(schema.downcast_exact::<PyDict>()?, &mut ctx)?;
 
     let res = PyDict::new_bound(py);
     res.set_item(intern!(py, "definition_refs"), ctx.def_refs)?;