From 8ce07f4ea4fd854938e7881c8152c79c31f25a8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20R=C3=B6ger?= <jonas.roeger@tu-dortmund.de>
Date: Sat, 9 Nov 2024 13:57:52 +0100
Subject: [PATCH] chore: clean up imports

---
 src/lisp/environment.rs | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/lisp/environment.rs b/src/lisp/environment.rs
index 1ddae79..dad1750 100644
--- a/src/lisp/environment.rs
+++ b/src/lisp/environment.rs
@@ -1,10 +1,5 @@
 use super::{expression::Expression, prelude::mk_prelude};
-use std::{
-    borrow::BorrowMut,
-    cell::{RefCell, RefMut},
-    collections::HashMap,
-    rc::Rc,
-};
+use std::{cell::RefCell, collections::HashMap, rc::Rc};
 
 #[derive(PartialEq, Clone, Debug)]
 /// A Environment is a stack of `EnvironmentLayer`s. Each `EnvironmentLayer` is a mapping from