- Merge corrections, removed unwanted imports and sorted the existign ones.

dedal/spack_factory/SpackOperationUseCache.py

 import os
-
 import subprocess
 from pathlib import Path
 
@@ -9,8 +8,7 @@ from dedal.error_handling.exceptions import NoSpackEnvironmentException
 from dedal.error_handling.exceptions import SpackInstallPackagesException
 from dedal.logger.logger_builder import get_logger
 from dedal.spack_factory.SpackOperation import SpackOperation
-from dedal.configuration.SpackConfig import SpackConfig
-from dedal.utils.utils import file_exists_and_not_empty, run_command, log_command, copy_to_tmp, copy_file
+from dedal.utils.utils import file_exists_and_not_empty, run_command, log_command, copy_file
 from dedal.wrapper.spack_wrapper import check_spack_env