fixup

tox.ini

@@ -28,7 +28,6 @@ commands_pre =
     # DA053 - Charm versioning
     # (https://docs.google.com/document/d/1Jv1jhWLl8ejK3iJn7Q3VbCIM9GIhp8926bgXpdtx-Sg/edit?pli=1)
     # is pending review.
-    cp charm_version charm_version.backup
     python -c 'import pathlib; import shutil; import subprocess; git_hash=subprocess.run(["git", "describe", "--always", "--dirty"], capture_output=True, check=True, encoding="utf-8").stdout; file = pathlib.Path("charm_version"); shutil.copy(file, pathlib.Path("charm_version.backup")); version = file.read_text().strip(); file.write_text(f"{version}+{git_hash}")'
 
     poetry export --only main,charm-libs --output requirements.txt