travis: Use Ubuntu Xenial for old PyQt

We get a segfault on exit caused by PyQt on Bionic, and it's probably good to test an older Ubuntu anyways.
2020-01-05 18:51:46 +01:00 · 2020-01-05 18:51:46 +01:00 · 536ca019ac
parent d44ec783cc
commit 536ca019ac
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -25,6 +25,7 @@ matrix:
    ### PyQt 5.7.1 (Python 3.5)
    - python: 3.5
      env: TESTENV=py35-pyqt57
+      dist: xenial

    ### PyQt 5.9 (Python 3.6)
    - python: 3.6