Format imports in python/ folder

Author: weiji14

python/src/thread_pool.rs

@@ -2,7 +2,6 @@ use std::sync::Arc;
 
 use pyo3::exceptions::PyValueError;
 use pyo3::prelude::*;
-
 use pyo3::sync::PyOnceLock;
 use rayon::{ThreadPool, ThreadPoolBuilder};