@@ -28,7 +28,7 @@
 import shutil
 import subprocess
 from pathlib import Path
-from typing import Dict, Iterable, List, Mapping, Sequence, Tuple
+from typing import List, Mapping, Sequence
 
 try:
     from shutil import which  # type: ignore
 
@@ -2,7 +2,7 @@
     annotations,
 )  # Needed for python 3.9 to support python 3.10 style typehints
 
-from typing import Dict, Iterable, Iterator, Mapping, MutableMapping, Tuple
+from typing import Dict, Iterable, Iterator, Mapping, Tuple
 
 
 def drop_quotes(s: str) -> str:
 
@@ -3,12 +3,10 @@
 )  # Needed for python 3.9 to support python 3.10 style typehints
 
 import copy
-import os
 from os import environ
 from pathlib import Path
 
 from build_python_instance_base import BuildPythonInstanceBase
-import shutil
 
 from wheel_builder_utils import _remove_tree
 
 
@@ -3,13 +3,11 @@
 )  # Needed for python 3.9 to support python 3.10 style typehints
 
 import copy
-import os
 from os import environ
 from pathlib import Path
 
 from build_python_instance_base import BuildPythonInstanceBase
 
-import shutil
 
 from wheel_builder_utils import push_dir, _remove_tree