diff --git a/.travis.yml b/.travis.yml
index 2f59aed76f0c74ad6f2345cbbed6f0c215a0849c..79b27dbf17fad1fd2951e464e2bced4f4b09aff3 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ install:
   - pip install sphinx
 
 script:
-  - cd ..
+  - ls
   # - python setup.py test
 #  - cd docs && rm source/convlab2.*.rst
 #  - sphinx-apidoc -o ./source ../convlab2/