Method with an empty body

[DimitriPapadopoulos]

__init__ doesn't contain any code

TODO:

• Unit tests and/or doctests in docstrings
• Tests pass locally
• Docstrings and API docs for any new/modified user-facing classes and functions
• Changes documented in docs/release.rst
• Docs build locally
• GitHub Actions CI passes
• Test coverage to 100% (Codecov passes)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.91%. Comparing base (fed46e5) to head (7765167).
Report is 62 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #611      +/-   ##
==========================================
- Coverage   99.91%   99.91%   -0.01%     
==========================================
  Files          59       59              
  Lines        2328     2326       -2     
==========================================
- Hits         2326     2324       -2     
  Misses          2        2              

Files with missing lines	Coverage Δ
numcodecs/packbits.py	100.00% <ø> (ø)