From T274347#6835467 , @EBernhardson wrote:
These images don't appear to work. Ci is failing. A simple reproduction seems to be:
docker run -it --rm --entrypoint /usr/bin/env docker-registry.wikimedia.org/releng/tox:0.5.0 tox Traceback (most recent call last): File "/usr/local/bin/tox", line 7, in <module> from tox import cmdline File "/usr/local/lib/python3.5/dist-packages/tox/__init__.py", line 9, in <module> import pluggy File "/usr/local/lib/python3.5/dist-packages/pluggy/__init__.py", line 16, in <module> from .manager import PluginManager, PluginValidationError File "/usr/local/lib/python3.5/dist-packages/pluggy/manager.py", line 11, in <module> import importlib_metadata File "/usr/local/lib/python3.5/dist-packages/importlib_metadata/__init__.py", line 88 dist: Optional['Distribution'] = None ^ SyntaxError: invalid syntax