fix warning

src/main.rs

@@ -8,7 +8,7 @@ use clap::Parser;
 use cli::App;
 use csv::{ErrorKind, ReaderBuilder};
 use std::{
-    io::{self, BufRead, BufWriter, IsTerminal, Read},
+    io::{self,  BufWriter, IsTerminal},
     process,
 };
 use table::TablePrinter;

src/prehandle.rs

@@ -31,7 +31,7 @@ fn take(reader: &mut Vec<String>, start_index: u32, end_index: u32) -> Vec<Strin
     body.push(header);
     if end_index == 0{
         body.append(&mut reader[start_index as usize..].to_owned());
-    }else if(end_index < reader.len() as u32){
+    }else if end_index < reader.len() as u32{
         body.append(&mut reader[start_index as usize..end_index as usize].to_owned());
     }else {
         body.append(&mut reader[start_index as usize..].to_owned());