Modernize Python versions

- Add support for Python 3.8.

- Drop support for Python 3.4.

modified:   .travis.yml
modified:   CHANGES.rst
modified:   setup.py
modified:   tox.ini

.travis.yml

@@ -1,18 +1,12 @@
 language: python
-sudo: false
 python:
   - 2.7
-  - 3.4
   - 3.5
   - 3.6
+  - 3.7
+  - 3.8
   - pypy
   - pypy3
-matrix:
-    include:
-        - python: "3.7"
-          dist: xenial
-          sudo: true
-
 install:
     - pip install -U pip setuptools
     - pip install -U coverage coveralls

CHANGES.rst

@@ -5,7 +5,9 @@
 4.1.1 (unreleased)
 ==================
 
-- Nothing changed yet.
+- Add support for Python 3.8.
+
+- Drop support for Python 3.4.
 
 
 4.1.0 (2018-10-22)

setup.py

@@ -52,10 +52,10 @@ def read(*rnames):
           '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',
+          'Programming Language :: Python :: 3.8',
           'Programming Language :: Python :: Implementation :: CPython',
           'Programming Language :: Python :: Implementation :: PyPy',
           'Natural Language :: English',

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py27, pypy, py34, py35, py36, py37
+    py27, pypy, py35, py36, py37, py38
 
 [testenv]
 commands =