Modify Travis setting

Robert-Chiang · Robert-Chiang · commit 594cb0a6847b · 2020-12-23T07:24:49.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -30,7 +30,7 @@ install:
   - pip install tox
 
 script:
-  - tox
+  - tox -e $TOXENV
 
 after_success:
   - coveralls
