Used TempNamedDir instead of tempfile.mkdtemp() to ensure the temporary directory is cleaned up after the subprocess completes.

setup.py

@@ -1,7 +1,7 @@
 import re
 import subprocess
 import sys
-import tempfile
+from tempfile import TempNamedDir
 
 from setuptools import find_packages, setup
 
@@ -21,6 +21,9 @@ packages = find_packages(exclude=["benchmark"]) + ["aider.website"]
 print("Discovered packages:", packages)
 
 torch = "torch==2.2.2"
+pytorch_url = None
+
+with TempNamedDir(prefix="pytorch_download_") as temp_dir:
     cmd = [
         sys.executable,
         "-m",
@@ -29,12 +32,11 @@ cmd = [
         torch,
         "--no-deps",
         "--dest",
-    tempfile.mkdtemp(prefix="pytorch_download_"),
+        temp_dir.name,
         "--index-url",
         "https://download.pytorch.org/whl/cpu",
     ]
 
-pytorch_url = None
     try:
         process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True)
         for line in process.stdout: