Modernize Python versions

- Add support for Python 3.8.

- Drop support for Python 3.4.

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

.travis.yml

@@ -1,17 +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 zope.testrunner
     - pip install -U coveralls coverage

CHANGES.txt

@@ -5,7 +5,9 @@ CHANGES
 2.3 (unreleased)
 ----------------
 
-- Nothing changed yet.
+- Add support for Python 3.8.
+
+- Drop support for Python 3.4.
 
 
 2.2 (2018-10-20)

setup.py

@@ -50,10 +50,10 @@ 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

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py34,py35,py36,py37,pypy,pypy3,coverage3
+envlist = py27,py35,py36,py37,py38,pypy,pypy3,coverage3
 
 [testenv]
 deps =
@@ -19,7 +19,7 @@ commands =
 
 [testenv:coverage3]
 usedevelop = true
-basepython = python3.6
+basepython = python3
 deps =
     {[testenv]deps}
     coverage