Error building yo

[aviaryan]

Using Docker Version 18.03.1-ce-mac65 (24312)

Creating a virtualenv for this project…
Using /usr/local/bin/python3.6m (3.6.2) to create virtualenv…
Running virtualenv with interpreter /usr/local/bin/python3.6m
Using base prefix '/usr/local'
New python executable in /app/.local/share/virtualenvs/app-4PlAip0Q/bin/python3.6m
Also creating executable in /app/.local/share/virtualenvs/app-4PlAip0Q/bin/python
Installing setuptools, pip, wheel...done.

Virtualenv location: /app/.local/share/virtualenvs/app-4PlAip0Q
Installing dependencies from Pipfile.lock (d0ab77)…
An error occurred while installing steem==0.18.103! Will try again.
Ignoring appnope: markers 'sys_platform == "darwin"' don't match your environment
Looking in indexes: https://pypi.python.org/simple
An error occurred while installing pluggy==0.6.0! Will try again.
Installing initially–failed dependencies…
Looking in indexes: https://pypi.python.org/simple
Collecting steem==0.18.103 
  Using cached https://files.pythonhosted.org/packages/07/7e/142fb6db1e14db39e658832b9d1b7f493d2e856ecd9c17f08490f85bf71e/steem-0.18.103.tar.gz
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-install-4z06t6e3/steem/setup.py", line 8, in <module>
        import package_meta # this is a simple tool for loading metadata from Pipfile and other places
      File "/tmp/pip-install-4z06t6e3/steem/package_meta.py", line 14, in <module>
        from pip.req import parse_requirements
    ModuleNotFoundError: No module named 'pip.req'
    
    ----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-4z06t6e3/steem/

The command '/bin/sh -c pipenv install  --dev' returned a non-zero code: 1
make: *** [docker-image] Error 1