diff --git a/Makefile b/Makefile
index ddaed51..ce861b5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,3 @@
-
-debug:
-	RUST_BACKTRACE=1 cargo run backtest --symbol ${symbol}
-
 backtest:
 	cargo run backtest --symbol ${symbol}
 
diff --git a/src/cmds/backtest.rs b/src/cmds/backtest.rs
index afea483..48f5753 100644
--- a/src/cmds/backtest.rs
+++ b/src/cmds/backtest.rs
@@ -1,20 +1,21 @@
-use std::fs;
+use std::{
+    fs,
+    process::exit
+};
+use super::Command;
 use anyhow::{Result};
 use clap::{Arg, ArgMatches, Command as ClapCommand};
 use serde_derive::{Deserialize, Serialize};
-use super::Command;
-use std::process::exit;
 use clickhouse::{ Client, Row};
 use async_trait::async_trait;
 use time::Date;
-use crate::green::{Green, feeds, strategy};
-use crate::green::feeds::BaseData;
+use crate::green::{
+    Green, feeds, strategy,
+};
 use crate::strategy::hold::BuyAndHold;
 
-
 pub struct BackTestCommand;
 
-
 #[async_trait]
 impl Command for BackTestCommand {
     fn usage() -> ClapCommand {