Drop pypy support (#249)

Author: Kuniwak

.travis.yml

@@ -6,7 +6,6 @@ python:
 env:
   - TOXENV="py27"
   - TOXENV="py34"
-  - TOXENV="pypy"
   - TOXENV="coverage"
 
 install:

CONTRIBUTING.rst

@@ -104,7 +104,7 @@ How to Add New Policy
 
    ::
 
-       $ pyenv local 2.7.8 3.4.1 pypy-2.4.0
+       $ pyenv local 2.7.8 3.4.1
        $ tox
 
    If you want to test by py.test, you should add ``vint/bin`` to

setup.py

@@ -63,7 +63,6 @@ def get_version():
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: Implementation :: CPython',
-        'Programming Language :: Python :: Implementation :: PyPy',
     ],
     entry_points={
         'console_scripts': [

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py34, pypy, coverage
+envlist = py27, py34, coverage
 
 [testenv]
 setenv =