make docker_build returns error

[shadey-dave]

the docker_build make option returns an error.
docker_build_error.log

Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-install-vcF8dU/python-faasclient/setup.py", line 6, in
from pip.download import PipSession
ImportError: No module named download

the error appears to be related to importing pip's internal code into the program