  #!/usr/bin/env python3
  import os
  import shutil
  import unittest
  
  os.environ["COMMA_CACHE"] = "/tmp/__test_cache__"
  from openpilot.tools.lib.url_file import URLFile, CACHE_DIR
  
  
  class TestFileDownload(unittest.TestCase):
  
    def compare_loads(self, url, start=0, length=None):
 
</s> remove     shutil.rmtree(CACHE_DIR)

 </s> add  </s> remove import shutil
 </s> add 
from openpilot.tools.lib.url_file import URLFile
from tools.lib.tests import temporary_cache_dir
  #!/usr/bin/env python3
  import os
  import shutil
  import unittest
from openpilot.tools.lib.url_file import URLFile
from tools.lib.tests import temporary_cache_dir
from openpilot.tools.lib.url_file import URLFile
from tools.lib.tests import temporary_cache_dir
from openpilot.tools.lib.url_file import URLFile
from tools.lib.tests import temporary_cache_dir
  
  
  class TestFileDownload(unittest.TestCase):
  
    def compare_loads(self, url, start=0, length=None):
keep keep keep keep replace replace replace keep keep keep keep keep
 Tests: test_caching reduce global state (#29681) 
tools/lib/tests/test_caching.py