Fixed the len_zero clippy warning
@@ -206,7 +206,7 @@ fn run_shell(vm: &mut VirtualMachine) -> PyResult {
//};
match rl.readline(&ps2) {
Ok(line) => {
- if line.len() == 0 {
+ if line.is_empty() {
if shell_exec(vm, &input, vars.clone()) {
rl.add_history_entry(input.trim_end());
input = String::new();
