remove py2.7

Author: rusty1s

.travis.yml

@@ -3,7 +3,6 @@ sudo: required
 dist: trusty
 matrix:
   include:
-    - python: 2.7
     - python: 3.5
     - python: 3.6
 addons:
@@ -17,7 +16,6 @@ before_install:
   - export CC="gcc-4.9"
   - export CXX="g++-4.9"
 install:
-  - if [[ $TRAVIS_PYTHON_VERSION == 2.7 ]]; then pip install https://download.pytorch.org/whl/cpu/torch-1.1.0-cp27-cp27mu-linux_x86_64.whl; fi
   - if [[ $TRAVIS_PYTHON_VERSION == 3.5 ]]; then pip install https://download.pytorch.org/whl/cpu/torch-1.1.0-cp35-cp35m-linux_x86_64.whl; fi
   - if [[ $TRAVIS_PYTHON_VERSION == 3.6 ]]; then pip install https://download.pytorch.org/whl/cpu/torch-1.1.0-cp36-cp36m-linux_x86_64.whl; fi
   - pip install pycodestyle