refactor: Run `isort` and `black` on all python files (#1859)

Run `isort` and `black` on all python files so that the pre-commit
hooks do not fail anymore.

It seems like most of the issues were quotation marks and vertical
whitespace.

Fixes #1674.
diff --git a/python/private/repack_whl.py b/python/private/repack_whl.py
index ea9c01f..9052ac3 100644
--- a/python/private/repack_whl.py
+++ b/python/private/repack_whl.py
@@ -152,7 +152,9 @@
         record_contents = record_path.read_text() if record_path.exists() else ""
         distribution_prefix = distinfo_dir.with_suffix("").name
 
-        with _WhlFile(args.output, mode="w", distribution_prefix=distribution_prefix) as out:
+        with _WhlFile(
+            args.output, mode="w", distribution_prefix=distribution_prefix
+        ) as out:
             for p in _files_to_pack(patched_wheel_dir, record_contents):
                 rel_path = p.relative_to(patched_wheel_dir)
                 out.add_file(str(rel_path), p)