return errors from examples/run_examples.sh correctly (python-control#311)

murrayrm · web-flow · commit cda33a2eabf6 · 2019-06-08T20:31:37.000-07:00
The PR fixes an error in .travis.yml that was not checking for errors in examples/run_examples.sh correctly, so any errors in the examples files were not being caught.
diff --git a/.travis.yml b/.travis.yml
@@ -84,14 +84,11 @@ script:
   # set PYTHONPATH for examples
   # pmw needed for examples/tfvis.py
   # future is needed for Python 2, also for examples/tfvis.py
-
   - if [[ "$SLYCOT" != "" ]]; then
       export PYTHONPATH=$PWD;
       conda install -c conda-forge pmw future;
-      cd examples; bash run_examples.sh; cd ..;
+      (cd examples; bash run_examples.sh);
     fi
 
-# arbitrary change to try to trigger travis build
-
 after_success:
   - coveralls
