tar-ball on PyPi is missing package.json

[jhgoebbert]

Using the source tar-ball from pypi the python package cannot be build:

    ERROR: Command errored out with exit status 1:
     command: /p/software/juwels/stages/2020/software/Python/3.8.5-GCCcore-10.3.0/bin/python -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/eb-t4ejrxyr/pip-req-build-ynm9zpyr/setup.py'"'"'; __file__='"'"'/tmp/eb-t4ejrxyr/pip-req-build-ynm9zpyr/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/eb-t4ejrxyr/pip-pip-egg-info-cvu93184
         cwd: /tmp/eb-t4ejrxyr/pip-req-build-ynm9zpyr/
    Complete output (5 lines):
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/eb-t4ejrxyr/pip-req-build-ynm9zpyr/setup.py", line 7, in <module>
        with open('package.json') as f:
    FileNotFoundError: [Errno 2] No such file or directory: 'package.json'