.travis.yml in pycall-0.1.0.alpha.20170317 vs .travis.yml in pycall-0.1.0.alpha.20170329

@@ -8,10 +8,11 @@
   - 2.2.5
   - 2.1.10
 
 env:
   - PYTHON=python
-  - PYTHON=python3
+  - PYTHON=python3 LIBPYTHON=wrong_value
+  - LIBPYTHON=/usr/lib/libpython3.2mu.so.1
 
 addons:
   apt:
     packages:
       - python3