Experienced error when cloning the Tokenizer

[shivanraptor]

Experienced error when cloning the Tokenizer:

% pip install 'git+https://github.com/ecchochan/tokenizers.git@zh-norm-4#egg=version_subpkg&subdirectory=bindings/python'
Collecting version_subpkg
  Cloning https://github.com/ecchochan/tokenizers.git (to revision zh-norm-4) to /private/var/folders/jq/lml3bg2146b_9np0qbyt0s080000gq/T/pip-install-9l41zopk/version-subpkg_750a2b16341a4860a10ce61738df1c63
  Running command git clone --filter=blob:none --quiet https://github.com/ecchochan/tokenizers.git /private/var/folders/jq/lml3bg2146b_9np0qbyt0s080000gq/T/pip-install-9l41zopk/version-subpkg_750a2b16341a4860a10ce61738df1c63
  Running command git checkout -b zh-norm-4 --track origin/zh-norm-4
  Switched to a new branch 'zh-norm-4'
  branch 'zh-norm-4' set up to track 'origin/zh-norm-4'.
  Resolved https://github.com/ecchochan/tokenizers.git to commit 7a8d502337a70cc995a2e8c9793a4b85e57eff45
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
  Preparing metadata (pyproject.toml) ... done
  WARNING: Generating metadata for package version_subpkg produced metadata for project name tokenizers-zh. Fix your #egg=version_subpkg fragments.
Discarding git+https://github.com/ecchochan/tokenizers.git@zh-norm-4#egg=version_subpkg&subdirectory=bindings/python: Requested tokenizers-zh from git+https://github.com/ecchochan/tokenizers.git@zh-norm-4#egg=version_subpkg&subdirectory=bindings/python has inconsistent name: expected 'version-subpkg', but metadata has 'tokenizers-zh'
ERROR: Could not find a version that satisfies the requirement version-subpkg (unavailable) (from versions: none)
ERROR: No matching distribution found for version-subpkg (unavailable)