pinned pytest version

smtakeda · smtakeda · commit f5f20714bfef · 2018-08-23T03:00:13.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -21,7 +21,7 @@ install:
   - conda create -n test-environment python=$TRAVIS_PYTHON_VERSION
   - source activate test-environment
   - conda install pandas
-  - conda install pytest pytest-cov
+  - conda install pytest==3.7.1 pytest-cov
   - pip --version
   - pip install pytest-rerunfailures
   - if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then
