Stop supporting EOL Python 3.4

Signed-off-by: Joffrey F <joffrey@docker.com>

.travis.yml

@@ -4,8 +4,6 @@ matrix:
   include:
     - python: 2.7
       env: TOXENV=py27
-    - python: 3.4
-      env: TOXENV=py34
     - python: 3.5
       env: TOXENV=py35
     - python: 3.6

setup.py

@@ -4,7 +4,8 @@ from __future__ import print_function
 import codecs
 import os
 
-from setuptools import setup, find_packages
+from setuptools import find_packages
+from setuptools import setup
 
 ROOT_DIR = os.path.dirname(__file__)
 SOURCE_DIR = os.path.join(ROOT_DIR)
@@ -71,7 +72,7 @@ setup(
     install_requires=requirements,
     tests_require=test_requirements,
     extras_require=extras_require,
-    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
+    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
     zip_safe=False,
     test_suite='tests',
     classifiers=[
@@ -83,7 +84,6 @@ setup(
         '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',

test-requirements.txt

 coverage==4.5.2
-flake8==3.6.0; python_version != '3.3'
-flake8==3.4.1; python_version == '3.3'
+flake8==3.6.0
 mock==1.0.1
 pytest==4.1.0
 pytest-cov==2.6.1

tox.ini

 [tox]
-envlist = py27, py34, py35, py36, py37, flake8
+envlist = py27, py35, py36, py37, flake8
 skipsdist=True
 
 [testenv]