Removing Python 3.7 from this PR

.travis.yml

@@ -1,6 +1,3 @@
-# Travis CI support for Python 3.7 requires Xenial (https://github.com/travis-ci/travis-ci/issues/9815)
-dist: xenial
-
 # Use older, non-container infrastructure to allow sudo
 sudo: required
 
@@ -11,7 +8,6 @@ python:
   - 3.4
   - 3.5
   - 3.6
-  - 3.7
   - pypy
 
 env:

setup.py

@@ -176,7 +176,6 @@ setup(
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Communications'],
 )

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py34,py35,py36,py37
+envlist = py27,py34,py35,py36
 
 [testenv]
 deps=