fix travis-ci config

yusufcanb · yusufcanb · commit f4bfddd0c64a · 2021-02-27T22:28:39.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,8 +9,8 @@ matrix:
       env: TOXENV=py38
     - python: 3.9
       env: TOXENV=py39
-
 install:
+  - pip install poetry
   - pip install tox
 script:
   - tox -e $TOXENV
