putting the cd in the right place (not in the loop)

Author: kbarnhart

.travis.yml

@@ -46,13 +46,11 @@ install:
     conda install --file=requirements.txt
     python setup.py develop
     cd $TRAVIS_BUILD_DIR
-    cd landlab/tutorials
-    pwd
-    ls
   fi
 - conda install jupyter dask holoviews pytest
 - conda info -a && conda list
 script:
+- cd landlab/tutorials
 - pytest
 virtualenv:
   system_site_packages: false