PsyNeuLink fails to install from sdist package

[jvesely]

$ pip3 install --user psyneulink --no-binary psyneulink
Collecting psyneulink
  Downloading psyneulink-0.8.8.1.tar.gz (1.6 MB)
     |\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588| 1.6 MB 8.5 MB/s 
    ERROR: Command errored out with exit status 1:
     command: /usr/bin/python3 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-3g98kp6d/psyneulink/setup.py'"'"'; __file__='"'"'/tmp/pip-install-3g98kp6d/psyneulink/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/pip-install-3g98kp6d/psyneulink/pip-egg-info
         cwd: /tmp/pip-install-3g98kp6d/psyneulink/
    Complete output (9 lines):
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-install-3g98kp6d/psyneulink/setup.py", line 79, in <module>
        install_requires=get_requirements(),
      File "/tmp/pip-install-3g98kp6d/psyneulink/setup.py", line 18, in get_requirements
        with open(path.join(here, prefix + 'requirements.txt'), encoding='utf-8') as f:
      File "/usr/lib/python3.8/codecs.py", line 905, in open
        file = builtins.open(filename, mode, buffering)
    FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-install-3g98kp6d/psyneulink/requirements.txt'
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.