Howdy. Building from your Dockerfile generates this error:
Collecting pyenchant (from sopel)
Downloading pyenchant-1.6.7.tar.gz (63kB)
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-build-29yVNQ/pyenchant/setup.py", line 210, in <module>
import enchant
File "/tmp/pip-build-29yVNQ/pyenchant/enchant/__init__.py", line 92, in <module>
from enchant import _enchant as _e
File "/tmp/pip-build-29yVNQ/pyenchant/enchant/_enchant.py", line 145, in <module>
raise ImportError(msg)
ImportError: The 'enchant' C library was not found. Please install it via your OS package manager, or use a pre-built binary wheel from PyPI.
Expect a PR that fixes it shortly.