Add py34 to CI builds

.travis.yml

@@ -43,6 +43,8 @@ matrix:
     - env: TOX_SUFFIX="boto3"
     - env: TOX_SUFFIX="aiohttp"
       python: "pypy3.5-5.9.0"
+    - env: TOX_SUFFIX="aiohttp"
+      python: 3.4
   exclude:
     # Only run flakes on a single Python 2.x and a single 3.x
     - env: TOX_SUFFIX="flakes"
@@ -59,6 +61,7 @@ matrix:
       python: pypy
 python:
 - 2.7
+- 3.4
 - 3.5
 - 3.6
 - pypy

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = {py27,py35,py36,py37,pypy}-{flakes,requests27,httplib2,urllib3121,tornado4,boto3,aiohttp}
+envlist = {py27,py34,py35,py36,py37,pypy}-{flakes,requests27,httplib2,urllib3121,tornado4,boto3,aiohttp}
 
 [testenv:flakes]
 skipsdist = True