Merge branch 'main' into v4-optional

1 files changed, 1 insertions, 2 deletions

diff --git a/examples/stm32f7/build.rs b/examples/stm32f7/build.rs
index c4e15f19c..2b5d412a9 100644
--- a/examples/stm32f7/build.rs
+++ b/examples/stm32f7/build.rs
@@ -1,9 +1,8 @@
 //! adapted from https://github.com/stm32-rs/stm32f7xx-hal/blob/master/build.rs
-use std::env;
 use std::fs::File;
 use std::io::prelude::*;
-use std::io::{self};
 use std::path::PathBuf;
+use std::{env, io};
 
 #[derive(Debug)]
 enum Error {