CHANGE: Drop Python 3.4 support.

As of today, on many systems it's cumbersome to achieve
a successful build of Python 3.4 releases from source,
as they require OpenSSL 1.0 development libraries,
widely deprecated in favor of OpenSSL 1.1 ones.

(Check https://github.com/pyenv/pyenv/wiki/Common-build-problems#error-the-python-ssl-extension-was-not-compiled-missing-the-openssl-lib)

.travis.yml

@@ -26,6 +26,5 @@ language: python
 python:
 - 3.6
 - 3.5
-- 3.4
 - 2.7
 script: tox

CONTRIBUTING.rst

@@ -101,7 +101,7 @@ Before you submit a pull request, check that it meets these guidelines:
 2. If the pull request adds functionality, the docs should be updated. Put
    your new functionality into a function with a docstring, and add the
    feature to the list in README.rst.
-3. The pull request should work for Python 2.7, 3.4, 3.5 and 3.6, and for PyPy. Check
+3. The pull request should work for Python 2.7, 3.5 and 3.6, and for PyPy. Check
    https://travis-ci.org/wandering-tales/redmine2jira/pull_requests
    and make sure that the tests pass for all supported Python versions.
 

setup.py

@@ -65,7 +65,6 @@
         "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',
     ],

tox.ini

@@ -1,11 +1,10 @@
 [tox]
-envlist = py27, py34, py35, py36, flake8
+envlist = py27, py35, py36, flake8
 
 [travis]
 python =
     3.6: py36
     3.5: py35
-    3.4: py34
     2.7: py27
 
 [testenv:flake8]