add GitLab CI to matrix test against supported Python/Django versions
Replace the existing Travis CI configuration with a GitLab CI equivalent.
Closes #1 (closed)
GitLab will be updated on 12-Feb-2026 between 12:00 and 14:00. There may be small periods of service instability.
Replace the existing Travis CI configuration with a GitLab CI equivalent.
Closes #1 (closed)