add windows to travis.

.travis.yml

@@ -3,7 +3,14 @@ sudo: required
 matrix:
   include:
 #  - os: windows
-#    python: '2.7'
+#    python: '3.8'
+#    language: shell
+#    before_install:
+#      - choco install python --version 3.8.0
+#      - python --version
+#      - python -m pip install --upgrade pip
+#      - pip3 install --upgrade pytest
+#    env: PATH=/c/Python38:/c/Python38/Scripts:$PATH
   - os: linux
     dist: trusty
     sudo: false
@@ -39,7 +46,7 @@ install:
 - pip install coveralls
 - pip install tox-travis
 script:
-- tox
+- tox -- -vv
 after_success:
 - coveralls
 - bash <(curl -s https://codecov.io/bash)

tox.ini

@@ -1,12 +1,12 @@
 [tox]
-envlist = py27, py335, py352, py37
+envlist = py27, py335, py352, py37, py38
 skip_missing_interpreters=true
 
 [travis]
 python =
+  3.8: py38
   3.7: py37
   3.5: py35
-  ;3.4: py34
   3.3: py33
   2.7: py27
   pypy: pypy
@@ -18,7 +18,10 @@ changedir = tests/
 python_files = *.py
 python_functions = test_
 norecursedirs = .tox .git
-commands = py.test --cov-report term-missing --cov python-hosts
+commands =
+    {envpython} --version
+    py.test --cov-report term-missing --cov python-hosts
+
 deps =
     enum-compat
     win_inet_pton