Run rustfmt.

examples/boot/stm32f3/src/bin/b.rs

@@ -2,15 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
+#[cfg(feature = "defmt-rtt")]
+use defmt_rtt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
 use panic_reset as _;
 
-#[cfg(feature = "defmt-rtt")]
-use defmt_rtt::*;
-
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut led = Output::new(p.PA5, Level::High, Speed::Low);