Eliminate use nesting

Author: Hendrik van Antwerpen

stack-graphs/src/serde/filter.rs

@@ -1,10 +1,12 @@
-use crate::{
-    arena::Handle,
-    graph::{File, Node, StackGraph},
-    partial::{PartialPath, PartialPaths},
-};
 use itertools::Itertools;
 
+use crate::arena::Handle;
+use crate::graph::File;
+use crate::graph::Node;
+use crate::graph::StackGraph;
+use crate::partial::PartialPath;
+use crate::partial::PartialPaths;
+
 pub trait Filter {
     /// Return whether elements for the given file must be included.
     fn include_file(&self, graph: &StackGraph, file: &Handle<File>) -> bool;

stack-graphs/src/serde/graph.rs

@@ -1,8 +1,11 @@
-use super::{Filter, NoFilter};
+use serde::Deserialize;
+use serde::Serialize;
+use thiserror::Error;
+
 use crate::arena::Handle;
 
-use serde::{Deserialize, Serialize};
-use thiserror::Error;
+use super::Filter;
+use super::NoFilter;
 
 #[derive(Serialize, Deserialize, PartialEq, Eq, Debug, Default, Clone)]
 pub struct StackGraph {