Add support for python 3.7

.travis.yml

@@ -1,12 +1,10 @@
 language: python
-
-sudo: required
-dist: trusty
+dist: xenial
 
 python:
+  - 3.7
   - 3.6
   - 3.5
-  - 3.4
   - 2.7
 
 after_success:
@@ -28,9 +26,9 @@ env:
 install:
   - travis_retry pip install -r requirements-test.txt
   - "if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then export PYVER=py27; fi"
-  - "if [[ $TRAVIS_PYTHON_VERSION == '3.4' ]]; then export PYVER=py34; fi"
   - "if [[ $TRAVIS_PYTHON_VERSION == '3.5' ]]; then export PYVER=py35; fi"
   - "if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then export PYVER=py36; fi"
+  - "if [[ $TRAVIS_PYTHON_VERSION == '3.7' ]]; then export PYVER=py37; fi"
   - "if [[ ${TESTS}z != 'z' ]]; then export TOXENV=$PYVER; fi"
 
 # command to run tests, e.g. python setup.py test
@@ -44,18 +42,18 @@ matrix:
     env: TOXENV='isort'
   - python: 2.7
     env: TOXENV='docs'
-  - python: 3.4
-    env: TOXENV='pep8'
-  - python: 3.4
-    env: TOXENV='isort'
-  - python: 3.4
-    env: TOXENV='docs'
   - python: 3.5
     env: TOXENV='pep8'
   - python: 3.5
     env: TOXENV='isort'
   - python: 3.5
     env: TOXENV='docs'
+  - python: 3.6
+    env: TOXENV='pep8'
+  - python: 3.6
+    env: TOXENV='isort'
+  - python: 3.6
+    env: TOXENV='docs'
 
 jobs:
   include:

setup.py

@@ -36,8 +36,8 @@
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
     ],
 )

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = pep8,isort,docs,py{36,35,34,27}
+envlist = pep8,isort,docs,py{37,36,35,27}
 skip_missing_interpreters=True
 
 [testenv]