diff --git a/examples/dynamic_gpio.rs b/examples/dynamic_gpio.rs
index c3b77175..ceb706d4 100644
--- a/examples/dynamic_gpio.rs
+++ b/examples/dynamic_gpio.rs
@@ -9,7 +9,7 @@ use nb::block;
 use cortex_m_rt::entry;
 use cortex_m_semihosting::hprintln;
 use embedded_hal::digital::v2::{InputPin, OutputPin};
-use stm32f1xx_hal::{pac, prelude::*, timer::Timer, gpio::State};
+use stm32f1xx_hal::{gpio::State, pac, prelude::*, timer::Timer};
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/multi_mode_gpio.rs b/examples/multi_mode_gpio.rs
index 6088bd62..58bcd145 100644
--- a/examples/multi_mode_gpio.rs
+++ b/examples/multi_mode_gpio.rs
@@ -9,7 +9,7 @@ use nb::block;
 use cortex_m_rt::entry;
 use cortex_m_semihosting::hprintln;
 use embedded_hal::digital::v2::{InputPin, OutputPin};
-use stm32f1xx_hal::{pac, prelude::*, timer::Timer, gpio::State};
+use stm32f1xx_hal::{gpio::State, pac, prelude::*, timer::Timer};
 
 #[entry]
 fn main() -> ! {
diff --git a/src/gpio.rs b/src/gpio.rs
index 2516b544..b7f63d5c 100644
--- a/src/gpio.rs
+++ b/src/gpio.rs
@@ -96,7 +96,6 @@ pub trait ExtiPin {
     fn check_interrupt(&mut self) -> bool;
 }
 
-
 pub enum Dynamic {
     InputFloating,
     InputPullUp,
@@ -110,20 +109,19 @@ pub enum PinModeError {
     IncorrectMode,
 }
 
-
 impl Dynamic {
     fn is_input(&self) -> bool {
         use Dynamic::*;
         match self {
             InputFloating | InputPullUp | InputPullDown | OutputOpenDrain => true,
-            OutputPushPull => false
+            OutputPushPull => false,
         }
     }
     fn is_output(&self) -> bool {
         use Dynamic::*;
         match self {
             InputFloating | InputPullUp | InputPullDown => false,
-            OutputPushPull | OutputOpenDrain => true
+            OutputPushPull | OutputOpenDrain => true,
         }
     }
 }
@@ -134,21 +132,20 @@ pub trait PinMode<CR> {
     unsafe fn set_mode(cr: &mut CR) -> Self;
 }
 
-
 // These impls are needed because a macro can not brace initialise a ty token
 impl<MODE> Input<MODE> {
     fn _new() -> Self {
-        Self {_mode: PhantomData }
+        Self { _mode: PhantomData }
     }
 }
 impl<MODE> Output<MODE> {
     fn _new() -> Self {
-        Self {_mode: PhantomData }
+        Self { _mode: PhantomData }
     }
 }
 impl<MODE> Alternate<MODE> {
     fn _new() -> Self {
-        Self {_mode: PhantomData }
+        Self { _mode: PhantomData }
     }
 }
 impl Debugger {
@@ -1095,7 +1092,6 @@ macro_rules! impl_pxx {
     }
 }
 
-
 impl_pxx! {
     (gpioa::PAx),
     (gpiob::PBx),
@@ -1104,7 +1100,6 @@ impl_pxx! {
     (gpioe::PEx)
 }
 
-
 gpio!(GPIOA, gpioa, gpioa, PAx, 0, [
     PA0: (pa0, 0, Input<Floating>, CRL, exticr1),
     PA1: (pa1, 1, Input<Floating>, CRL, exticr1),