Don't need empty string

src/main.rs

@@ -327,7 +327,7 @@ fn mode_save(cmd: &mut Command, args: Args, ids: &mut Vec<i64>, tags: &mut Vec<S
             t.attr(term::Attr::Bold).unwrap_or(());
             write!(t, "{}", tags.join(" "))?;
             t.reset().unwrap_or(());
-            writeln!(t, "")?;
+            writeln!(t)?;
             std::io::stderr().flush()?;
         } else {
             let mut t = std::io::stderr();