/usr/lib/python3.10/distutils/dist.py:274: UserWarning: Unknown distribution option: 'extra_requires'
  warnings.warn(msg)
running build
running build_py
creating build
creating build/lib
creating build/lib/klein
copying src/klein/resource.py -> build/lib/klein
copying src/klein/interfaces.py -> build/lib/klein
copying src/klein/app.py -> build/lib/klein
copying src/klein/_version.py -> build/lib/klein
copying src/klein/_tubes.py -> build/lib/klein
copying src/klein/_session.py -> build/lib/klein
copying src/klein/_response.py -> build/lib/klein
copying src/klein/_resource.py -> build/lib/klein
copying src/klein/_requirer.py -> build/lib/klein
copying src/klein/_request_compat.py -> build/lib/klein
copying src/klein/_request.py -> build/lib/klein
copying src/klein/_plating.py -> build/lib/klein
copying src/klein/_message.py -> build/lib/klein
copying src/klein/_isession.py -> build/lib/klein
copying src/klein/_interfaces.py -> build/lib/klein
copying src/klein/_imessage.py -> build/lib/klein
copying src/klein/_iform.py -> build/lib/klein
copying src/klein/_headers_compat.py -> build/lib/klein
copying src/klein/_headers.py -> build/lib/klein
copying src/klein/_form.py -> build/lib/klein
copying src/klein/_dihttp.py -> build/lib/klein
copying src/klein/_decorators.py -> build/lib/klein
copying src/klein/_app.py -> build/lib/klein
copying src/klein/__init__.py -> build/lib/klein
creating build/lib/klein/storage
copying src/klein/storage/memory.py -> build/lib/klein/storage
copying src/klein/storage/_memory.py -> build/lib/klein/storage
copying src/klein/storage/__init__.py -> build/lib/klein/storage
creating build/lib/klein/test
copying src/klein/test/util.py -> build/lib/klein/test
copying src/klein/test/test_trial.py -> build/lib/klein/test
copying src/klein/test/test_session.py -> build/lib/klein/test
copying src/klein/test/test_response.py -> build/lib/klein/test
copying src/klein/test/test_resource.py -> build/lib/klein/test
copying src/klein/test/test_requirer.py -> build/lib/klein/test
copying src/klein/test/test_request_compat.py -> build/lib/klein/test
copying src/klein/test/test_request.py -> build/lib/klein/test
copying src/klein/test/test_plating.py -> build/lib/klein/test
copying src/klein/test/test_message.py -> build/lib/klein/test
copying src/klein/test/test_memory.py -> build/lib/klein/test
copying src/klein/test/test_headers_compat.py -> build/lib/klein/test
copying src/klein/test/test_headers.py -> build/lib/klein/test
copying src/klein/test/test_form.py -> build/lib/klein/test
copying src/klein/test/test_exports.py -> build/lib/klein/test
copying src/klein/test/test_app.py -> build/lib/klein/test
copying src/klein/test/_trial.py -> build/lib/klein/test
copying src/klein/test/__init__.py -> build/lib/klein/test