Fix dependencies in setup.py

Status Job ID Name Coverage
  Test
failed #141843089
test

00:00:53

 
Name Stage Failure
failed
test Test
ImportError while importing test module '/builds/alcibiade/docker-ascii-map/tests/docker_config_test.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
tests/docker_config_test.py:4: in <module>
from docker import Client
E ImportError: cannot import name 'Client'
!!!!!!!!!!!!!!!!!!! Interrupted: 1 errors during collection !!!!!!!!!!!!!!!!!!!!
=========================== 1 error in 0.36 seconds ============================
ERROR: Job failed: exit code 1