Drop Python 3.4 support (#1141)

* remove python3.4 support.

Python 3.4 has reached end-of-life.
https://www.python.org/downloads/release/python-340/

* drop maximun version of pytest

* update changelog

* add laixintao to contributors, delete py34 from tox

.travis.yml

@@ -6,7 +6,6 @@ language: python
 
 python:
   - "2.7"
-  - "3.4"
   - "3.5"
   - "3.6"
   - "3.7"

changelog.rst

@@ -14,8 +14,10 @@ Bug fixes:
 Internal:
 ---------
 
+* Drop Python3.4 support. (Thanks: `laixintao`_)
 * Fix dead link in development guide. (Thanks: `BrownShibaDog`_)
 
+
 2.2.0:
 ======
 
@@ -1028,3 +1030,4 @@ Improvements:
 .. _`Pedro Ferrari`: https://github.com/petobens
 .. _`BrownShibaDog`: https://github.com/BrownShibaDog
 .. _`thegeorgeous`: https://github.com/thegeorgeous
+.. _`laixintao`: https://github.com/laixintao

requirements-dev.txt

@@ -1,5 +1,4 @@
-# The maximum version requirement can be removed once Python 3.4 goes EOL
-pytest>=2.7.0,<=3.0.7
+pytest>=2.7.0
 mock>=1.0.1
 tox>=1.9.2
 behave>=1.2.4

setup.py

@@ -50,7 +50,6 @@ 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",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py34, py35, py36, py37
+envlist = py27, py35, py36, py37
 [testenv]
 deps = pytest>=2.7.0,<=3.0.7
     mock>=1.0.1