fix multiples warnings

src/commands/add.rs

@@ -1,4 +1,4 @@
-use std::io::{self, Write, BufRead};
+use std::io::Write;
 use std::fs::OpenOptions;
 use std::path::{Path, PathBuf};
 use clap::Values;

src/services/api.rs

@@ -1,8 +1,5 @@
-use std::env;
 use lazy_static::lazy_static;
 use std::sync::Mutex;
-use std::path::PathBuf;
-use dotenv::dotenv;
 use reqwest::Client;
 use reqwest::RequestBuilder;
 use reqwest::multipart::Form;

src/services/api_call.rs

@@ -4,7 +4,7 @@ pub trait ApiCall {
     fn new() -> Self where Self: Sized {
         unimplemented!()
     }
-    fn set_url(&mut self, url: &str) -> &mut Self {
+    fn set_url(&mut self, _url: &str) -> &mut Self {
         self
     }
     fn send(&mut self) -> Result<Option<String>, ApiError> {