From d8847cf89171e8b7872195724830a276c421f63e Mon Sep 17 00:00:00 2001
From: wathen <wjjiang19@163.com>
Date: Mon, 3 Jul 2023 16:11:00 +0800
Subject: [PATCH] sync: fix import style for `std::error::Error` (#5818)

---
 tokio/src/sync/mpsc/error.rs | 2 +-
 tokio/src/sync/watch.rs      | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/tokio/src/sync/mpsc/error.rs b/tokio/src/sync/mpsc/error.rs
index 25b4455be..e41885664 100644
--- a/tokio/src/sync/mpsc/error.rs
+++ b/tokio/src/sync/mpsc/error.rs
@@ -19,7 +19,7 @@ impl<T> fmt::Display for SendError<T> {
     }
 }
 
-impl<T> std::error::Error for SendError<T> {}
+impl<T> Error for SendError<T> {}
 
 // ===== TrySendError =====
 
diff --git a/tokio/src/sync/watch.rs b/tokio/src/sync/watch.rs
index 61049b71e..ad6453989 100644
--- a/tokio/src/sync/watch.rs
+++ b/tokio/src/sync/watch.rs
@@ -205,6 +205,7 @@ impl<T: fmt::Debug> fmt::Debug for Shared<T> {
 pub mod error {
     //! Watch error types.
 
+    use std::error::Error;
     use std::fmt;
 
     /// Error produced when sending a value fails.
@@ -225,7 +226,7 @@ pub mod error {
         }
     }
 
-    impl<T> std::error::Error for SendError<T> {}
+    impl<T> Error for SendError<T> {}
 
     /// Error produced when receiving a change notification.
     #[derive(Debug, Clone)]
@@ -239,7 +240,7 @@ pub mod error {
         }
     }
 
-    impl std::error::Error for RecvError {}
+    impl Error for RecvError {}
 }
 
 mod big_notify {