diff --git a/Cargo.lock b/Cargo.lock
index 637c455..6b6c5dc 100644
Binary files a/Cargo.lock and b/Cargo.lock differ
diff --git a/src/drivers/mod.rs b/src/drivers/mod.rs
index 9c0c971..35d9754 100644
--- a/src/drivers/mod.rs
+++ b/src/drivers/mod.rs
@@ -2,6 +2,7 @@ pub use gpio::GpioDriver;
 pub use null::NullDriver;
 pub use piface::PiFaceDriver;
 use serde::{Deserialize, Deserializer};
+
 use crate::errors::EmgauwaControllerError;
 
 mod gpio;
diff --git a/src/drivers/piface.rs b/src/drivers/piface.rs
index 4a0baf0..0af161a 100644
--- a/src/drivers/piface.rs
+++ b/src/drivers/piface.rs
@@ -11,9 +11,11 @@ pub struct PiFaceDriver {
 
 impl PiFaceDriver {
 	pub fn new(pin: u8, pfd: &Option<PiFaceDigital>) -> Result<Self, EmgauwaControllerError> {
-		let pfd = pfd.as_ref().ok_or(EmgauwaControllerError::Hardware(String::from(
-			"PiFaceDigital not initialized",
-		)))?;
+		let pfd = pfd
+			.as_ref()
+			.ok_or(EmgauwaControllerError::Hardware(String::from(
+				"PiFaceDigital not initialized",
+			)))?;
 		let pfd_pin = pfd.get_output_pin(pin)?;
 		Ok(Self { pfd_pin })
 	}
diff --git a/src/errors.rs b/src/errors.rs
index 3916180..a13f4b1 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -1,10 +1,10 @@
 use std::fmt::{Display, Formatter};
+
+use emgauwa_common::errors::EmgauwaError;
 use rppal::gpio;
 use rppal_mcp23s17::Mcp23s17Error;
 use rppal_pfd::PiFaceDigitalError;
 
-use emgauwa_common::errors::EmgauwaError;
-
 #[derive(Debug)]
 pub enum EmgauwaControllerError {
 	Hardware(String),
diff --git a/src/main.rs b/src/main.rs
index bbb1a79..f9d70eb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -15,11 +15,11 @@ use crate::ws::run_ws_loop;
 
 mod app_state;
 mod drivers;
+mod errors;
 mod relay_loop;
 mod settings;
 mod utils;
 mod ws;
-mod errors;
 
 async fn create_this_controller(
 	conn: &mut PoolConnection<Sqlite>,
@@ -80,14 +80,10 @@ async fn main() -> Result<(), std::io::Error> {
 	};
 
 	for relay in &settings.relays {
-		if DbRelay::get_by_controller_and_num(
-			&mut conn,
-			&db_controller,
-			relay.number,
-		)
-		.await
-		.map_err(EmgauwaError::from)?
-		.is_none()
+		if DbRelay::get_by_controller_and_num(&mut conn, &db_controller, relay.number)
+			.await
+			.map_err(EmgauwaError::from)?
+			.is_none()
 		{
 			create_this_relay(&mut conn, &db_controller, relay)
 				.await
@@ -103,7 +99,11 @@ async fn main() -> Result<(), std::io::Error> {
 	let this = Controller::from_db_model(&mut conn, db_controller).map_err(EmgauwaError::from)?;
 
 	let now = chrono::Local::now().time();
-	let initial_states: Vec<bool> = this.relays.iter().map(|r| r.active_schedule.is_on(&now)).collect();
+	let initial_states: Vec<bool> = this
+		.relays
+		.iter()
+		.map(|r| r.active_schedule.is_on(&now))
+		.collect();
 
 	let mut pfd: Option<PiFaceDigital> = None;
 	let drivers = settings.relays_make_drivers(&mut pfd, initial_states)?;
diff --git a/src/settings.rs b/src/settings.rs
index 15d91bd..f4f83fd 100644
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -2,6 +2,7 @@ use emgauwa_common::errors::EmgauwaError;
 use emgauwa_common::settings;
 use rppal_pfd::PiFaceDigital;
 use serde_derive::Deserialize;
+
 use crate::drivers;
 
 #[derive(Clone, Debug, Deserialize)]
@@ -69,13 +70,17 @@ impl Settings {
 		&self,
 		pfd: &mut Option<PiFaceDigital>,
 		initial_states: Vec<bool>,
-    ) -> Result<Vec<Box<dyn drivers::RelayDriver>>, EmgauwaError> {
+	) -> Result<Vec<Box<dyn drivers::RelayDriver>>, EmgauwaError> {
 		let mut drivers = Vec::new();
-		let result: Result<(), EmgauwaError> = self.relays.iter().zip(initial_states).try_for_each(|(relay, state)| {
-			let driver = relay.make_driver(pfd, state)?;
-			drivers.push(driver);
-			Ok(())
-		});
+		let result: Result<(), EmgauwaError> =
+			self.relays
+				.iter()
+				.zip(initial_states)
+				.try_for_each(|(relay, state)| {
+					let driver = relay.make_driver(pfd, state)?;
+					drivers.push(driver);
+					Ok(())
+				});
 		result?;
 		Ok(drivers)
 	}
diff --git a/src/ws/mod.rs b/src/ws/mod.rs
index a79b13c..bdb7e07 100644
--- a/src/ws/mod.rs
+++ b/src/ws/mod.rs
@@ -7,8 +7,8 @@ use emgauwa_common::types::ControllerWsAction;
 use futures::{future, pin_mut, SinkExt, StreamExt};
 use sqlx::{Pool, Sqlite};
 use tokio::time;
-use tokio_tungstenite::tungstenite::Message;
 use tokio_tungstenite::connect_async;
+use tokio_tungstenite::tungstenite::Message;
 
 use crate::app_state::AppState;
 use crate::utils::{app_state_get_relay_notifier, app_state_get_this};
@@ -89,4 +89,4 @@ async fn read_app_state(
 				))
 			})?;
 	}
-}
\ No newline at end of file
+}