pip install shelljob failure

shell.txt

(env) OSX ~/Desktop/mqtt2cmd on testFix.wip
$ pip list
Package    Version
---------- -------
dill       0.3.1.1
flashtext  2.7
paho-mqtt  1.5.0
pandoc     1.0.2
pip        20.0.2
ply        3.11
pypandoc   1.5
PyYAML     5.3.1
setuptools 41.2.0
six        1.14.0
stopit     1.1.2
wheel      0.34.2
(env) OSX ~/Desktop/mqtt2cmd on testFix.wip
$ pip install shelljob
Collecting shelljob
  Using cached shelljob-0.5.8.tar.gz (318 kB)
    ERROR: Command errored out with exit status 1:
     command: /Users/gute/Desktop/mqtt2cmd/env/bin/python3 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/d_/jjdk8f2d3k5gz2tvyb9cv74r0000gn/T/pip-install-b3oe0l10/shelljob/setup.py'"'"'; __file__='"'"'/private/var/folders/d_/jjdk8f2d3k5gz2tvyb9cv74r0000gn/T/pip-install-b3oe0l10/shelljob/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 /private/var/folders/d_/jjdk8f2d3k5gz2tvyb9cv74r0000gn/T/pip-install-b3oe0l10/shelljob/pip-egg-info
         cwd: /private/var/folders/d_/jjdk8f2d3k5gz2tvyb9cv74r0000gn/T/pip-install-b3oe0l10/shelljob/
    Complete output (29 lines):
    /private/var/folders/d_/jjdk8f2d3k5gz2tvyb9cv74r0000gn/T/pip-install-b3oe0l10/shelljob/setup.py:13: DeprecationWarning: Due to possible ambiguity, 'convert()' is deprecated. Use 'convert_file()'  or 'convert_text()'.
      desc = pypandoc.convert( 'README.md', 'rst' )
    Maybe try:

        brew install pandoc
    See http://johnmacfarlane.net/pandoc/installing.html
    for installation options
    ---------------------------------------------------------------

    Generating Description failed, press enter to process anyway, or kill to cancelTraceback (most recent call last):
      File "/private/var/folders/d_/jjdk8f2d3k5gz2tvyb9cv74r0000gn/T/pip-install-b3oe0l10/shelljob/setup.py", line 13, in <module>
        desc = pypandoc.convert( 'README.md', 'rst' )
      File "/Users/gute/Desktop/mqtt2cmd/env/lib/python3.7/site-packages/pypandoc/__init__.py", line 68, in convert
        outputfile=outputfile, filters=filters)
      File "/Users/gute/Desktop/mqtt2cmd/env/lib/python3.7/site-packages/pypandoc/__init__.py", line 256, in _convert_input
        _ensure_pandoc_path()
      File "/Users/gute/Desktop/mqtt2cmd/env/lib/python3.7/site-packages/pypandoc/__init__.py", line 548, in _ensure_pandoc_path
        raise OSError("No pandoc was found: either install pandoc and add it\n"
    OSError: No pandoc was found: either install pandoc and add it
    to your PATH or or call pypandoc.download_pandoc(...) or
    install pypandoc wheels with included pandoc.

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/var/folders/d_/jjdk8f2d3k5gz2tvyb9cv74r0000gn/T/pip-install-b3oe0l10/shelljob/setup.py", line 15, in <module>
        input( 'Generating Description failed, press enter to process anyway, or kill to cancel' )
    EOFError: EOF when reading a line
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.