Ref: Optimize imports.

src/log.rs

@@ -1,13 +1,12 @@
 use std::any::Any;
 use std::fmt::{Display, Formatter};
-use std::io::{IsTerminal, stdout, Write};
-use std::sync::{OnceLock, Mutex};
-use std::fs::{create_dir_all, OpenOptions, File};
+use std::fs::{create_dir_all, File, OpenOptions};
+use std::io::{stdout, IsTerminal, Write};
 use std::path::PathBuf;
-use std::time::{SystemTime, UNIX_EPOCH};
-use std::{env, process};
+use std::sync::{Mutex, OnceLock};
+use std::env;
 
-use time::{OffsetDateTime, macros::format_description};
+use time::{macros::format_description, OffsetDateTime};
 
 #[derive(PartialEq)]
 pub enum LogLevel {