Run tests in python3.6 too (#992)

* Test with Python 3.6 in Travis CI
* Add Python 3.6 environment to tox config
* Don't run automated tests on Python 3.3

.travis.yml

@@ -3,9 +3,9 @@ language: python
 python:
     - 2.6
     - 2.7
-    - 3.3
     - 3.4
     - 3.5
+    - 3.6
     - pypy
 
 env:

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{26,27,33,34,35,py}, docs
+envlist = py{26,27,34,35,36,py}, docs
 
 [pytest]
 testpaths = kafka test
@@ -12,7 +12,7 @@ deps =
     pytest
     pytest-cov
     pytest-catchlog
-    py{27,33,34,35,py}: pytest-pylint
+    py{27,34,35,py}: pytest-pylint
     pytest-sugar
     pytest-mock
     mock
@@ -30,6 +30,11 @@ passenv = KAFKA_VERSION
 # pylint doesn't support python2.6
 commands = py.test {posargs:--cov=kafka --cov-config=.covrc}
 
+[testenv:py36]
+# pylint doesn't support python3.6 yet
+# https://github.com/PyCQA/pylint/issues/1072
+commands = py.test {posargs:--cov=kafka --cov-config=.covrc}
+
 [testenv:pypy]
 # pylint is super slow on pypy...
 commands = py.test {posargs:--cov=kafka --cov-config=.covrc}