The journeys workflow runs unittest in python:3.12-slim, which has no pytest;
this module failed to import there since e861f63 (2026-10-14).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 308701@bnt-lap001
Assistant-Session: 5548e447-444c-4dcc-bed1-05c16eebfe56