python-oxidized-importer: remove mut from state

It doesn't need to be mutable according to the Rust compiler.

Author: indygreg

python-oxidized-importer/src/importer.rs

@@ -1285,7 +1285,7 @@ pub fn replace_meta_path_importers<'a, 'p>(
     resources_state: Box<PythonResourcesState<'a, u8>>,
     importer_state_callback: Option<impl FnOnce(&mut ImporterState)>,
 ) -> PyResult<&'p PyCell<OxidizedFinder>> {
-    let mut state = get_module_state(oxidized_importer)?;
+    let state = get_module_state(oxidized_importer)?;
 
     let sys_module = py.import("sys")?;
 

python-oxidized-importer/src/lib.rs

@@ -180,7 +180,7 @@ fn module_init(py: Python, m: &PyModule) -> PyResult<()> {
         return Err(PyImportError::new_err("module requires Python 3.8+"));
     }
 
-    let mut state = get_module_state(m)?;
+    let state = get_module_state(m)?;
 
     state.initialized = false;