fix fmt problems

src/database.rs

@@ -18,7 +18,12 @@ use log::{error, info};
 use rocket::futures::{self, channel::mpsc};
 use ruma::{DeviceId, ServerName, UserId};
 use serde::Deserialize;
-use std::{collections::HashMap, fs::{self, remove_dir_all}, io::Write, sync::{Arc, RwLock}};
+use std::{
+    collections::HashMap,
+    fs::{self, remove_dir_all},
+    io::Write,
+    sync::{Arc, RwLock},
+};
 use tokio::sync::Semaphore;
 
 #[derive(Clone, Debug, Deserialize)]
@@ -264,7 +269,6 @@ impl Database {
         }
 
         if db.globals.database_version()? < 3 {
-        
             // Move media to filesystem
             for r in db.media.mediaid_file.iter() {
                 let (key, content) = r?;