fix format issues.

diff --git a/target/ast10x0/tests/peripherals/gpio/gpio_irq/gpio_irq_server_main.rs b/target/ast10x0/tests/peripherals/gpio/gpio_irq/gpio_irq_server_main.rs
index fe4efed..95cea55 100644
--- a/target/ast10x0/tests/peripherals/gpio/gpio_irq/gpio_irq_server_main.rs
+++ b/target/ast10x0/tests/peripherals/gpio/gpio_irq/gpio_irq_server_main.rs

@@ -7,7 +7,7 @@
 #![no_std]
 
 use app_gpio_irq_server::{handle, signals};
-use ast10x0_peripherals::gpio::{GpioExt, InterruptMode, gpioa};
+use ast10x0_peripherals::gpio::{gpioa, GpioExt, InterruptMode};
 use pw_status::Error;
 use userspace::entry;
 use userspace::syscall;

diff --git a/target/ast10x0/tests/peripherals/gpio/gpio_irq/target.rs b/target/ast10x0/tests/peripherals/gpio/gpio_irq/target.rs
index 54e738b..09133de 100644
--- a/target/ast10x0/tests/peripherals/gpio/gpio_irq/target.rs
+++ b/target/ast10x0/tests/peripherals/gpio/gpio_irq/target.rs

@@ -6,10 +6,10 @@
 #![no_std]
 #![no_main]
 
-use ast10x0_peripherals::scu::{ScuRegisters, pinctrl};
+use ast10x0_peripherals::scu::{pinctrl, ScuRegisters};
 use console_backend::console_backend_write_all;
 use entry as _;
-use target_common::{TargetInterface, declare_target};
+use target_common::{declare_target, TargetInterface};
 
 pub struct Target {}
 

diff --git a/target/ast10x0/tests/peripherals/gpio/gpio_smoke/target.rs b/target/ast10x0/tests/peripherals/gpio/gpio_smoke/target.rs
index fd1550a..75270c7 100644
--- a/target/ast10x0/tests/peripherals/gpio/gpio_smoke/target.rs
+++ b/target/ast10x0/tests/peripherals/gpio/gpio_smoke/target.rs

@@ -6,11 +6,11 @@
 #![no_std]
 #![no_main]
 
-use ast10x0_peripherals::gpio::{Floating, GpioExt, gpioa};
-use ast10x0_peripherals::scu::{ScuRegisters, pinctrl};
+use ast10x0_peripherals::gpio::{gpioa, Floating, GpioExt};
+use ast10x0_peripherals::scu::{pinctrl, ScuRegisters};
 use console_backend::console_backend_write_all;
 use embedded_hal::digital::{InputPin, OutputPin, StatefulOutputPin};
-use target_common::{TargetInterface, declare_target};
+use target_common::{declare_target, TargetInterface};
 use {console_backend as _, entry as _};
 
 pub struct Target {}