Fixed weird import order
+use std::fmt;
use std::marker::PhantomData;
use std::sync::atomic::AtomicUsize;
use std::sync::atomic::Ordering::SeqCst;
use std::sync::{Arc, Condvar, Mutex};
-use std::time::Duration;
-use std::{fmt, time::Instant};
+use std::time::{Duration, Instant};
/// A thread parking primitive.
///
