clean up imports

crates/pacdef_core/src/backend/backend_trait.rs

@@ -1,8 +1,7 @@
-use std::collections::HashMap;
+use std::collections::{HashMap, HashSet};
 use std::fmt::Debug;
-use std::process::Command;
+use std::process::{Command, ExitStatus};
 use std::rc::Rc;
-use std::{collections::HashSet, process::ExitStatus};
 
 use anyhow::{Context, Result};
 

crates/pacdef_core/src/backend/todo_per_backend.rs

@@ -1,4 +1,5 @@
-use std::{fmt::Write, process::ExitStatus};
+use std::fmt::Write;
+use std::process::ExitStatus;
 
 use anyhow::{bail, ensure, Context, Result};