.travis.yml in pycall-0.1.0.alpha.20170711 vs .travis.yml in pycall-1.0.0

@@ -7,23 +7,35 @@
   - 2.3.1
   - 2.2.5
   - 2.1.10
 
 env:
+  global:
+  - PYCALL_DEBUG_FIND_LIBPYTHON=1
+  matrix:
   - PYTHON=python
   - PYTHON=python3 LIBPYTHON=wrong_value
-  - LIBPYTHON=/usr/lib/libpython3.2mu.so.1
+  - LIBPYTHON=/opt/python/3.5.3/lib/libpython3.5m.so
 
 addons:
   apt:
     packages:
       - python3
       - python3-dev
       - python3-all
+      - python3-all-dev
 
 before_install:
   - gem update --system
   - gem update bundler
 
 before_script:
+  - bundle exec rake clobber compile
   - echo === python investigator.py ===
   - python lib/pycall/python/investigator.py
+  - python3 lib/pycall/python/investigator.py
+  - pip install numpy
+  - pip3 install numpy
+
+matrix:
+  allow_failures:
+  - env: PYTHON=python  # Ignore failed on python 2.7