fix

Author: rusty1s

.travis.yml

@@ -14,7 +14,8 @@ addons:
       - gcc-4.9
       - g++-4.9
 before_install:
-  - if [ "$CXX" = "g++" ]; then export CXX="g++-4.9" CC="gcc-4.9"; fi
+  - export CC="gcc-4.9"
+  - export CXX="g++-4.9"
 install:
   - if [[ $TRAVIS_PYTHON_VERSION == 2.7 ]]; then pip install http://download.pytorch.org/whl/cpu/torch-0.4.1-cp27-cp27mu-linux_x86_64.whl; fi
   - if [[ $TRAVIS_PYTHON_VERSION == 3.5 ]]; then pip install  http://download.pytorch.org/whl/cpu/torch-0.4.1-cp35-cp35m-linux_x86_64.whl; fi
@@ -23,6 +24,8 @@ install:
   - pip install flake8
   - pip install codecov
 script:
+  - which $CC
+  - which $CXX
   - $CC --version
   - $CXX --version
   - pycodestyle .