Drop Python 3.4 support (#6620)

.travis.yml

@@ -5,9 +5,6 @@ matrix:
     fast_finish: true
     include:
 
-      - { python: "3.4", env: DJANGO=1.11 }
-      - { python: "3.4", env: DJANGO=2.0 }
-
       - { python: "3.5", env: DJANGO=1.11 }
       - { python: "3.5", env: DJANGO=2.0 }
       - { python: "3.5", env: DJANGO=2.1 }

README.md

@@ -53,7 +53,7 @@ There is a live example API for testing purposes, [available here][sandbox].
 
 # Requirements
 
-* Python (3.4, 3.5, 3.6, 3.7)
+* Python (3.5, 3.6, 3.7)
 * Django (1.11, 2.0, 2.1, 2.2)
 
 We **highly recommend** and only officially support the latest patch release of

docs/index.md

@@ -84,7 +84,7 @@ continued development by **[signing up for a paid plan][funding]**.
 
 REST framework requires the following:
 
-* Python (3.4, 3.5, 3.6, 3.7)
+* Python (3.5, 3.6, 3.7)
 * Django (1.11, 2.0, 2.1, 2.2)
 
 We **highly recommend** and only officially support the latest patch release of

setup.py

@@ -8,7 +8,7 @@ from io import open
 from setuptools import find_packages, setup
 
 CURRENT_PYTHON = sys.version_info[:2]
-REQUIRED_PYTHON = (3, 4)
+REQUIRED_PYTHON = (3, 5)
 
 # This check and everything above must remain compatible with Python 2.7.
 if CURRENT_PYTHON < REQUIRED_PYTHON:
@@ -79,7 +79,7 @@ setup(
     packages=find_packages(exclude=['tests*']),
     include_package_data=True,
     install_requires=[],
-    python_requires=">=3.4",
+    python_requires=">=3.5",
     zip_safe=False,
     classifiers=[
         'Development Status :: 5 - Production/Stable',
@@ -94,7 +94,6 @@ setup(
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',

tests/test_fields.py

@@ -1,7 +1,6 @@
 import datetime
 import os
 import re
-import unittest
 import uuid
 from decimal import ROUND_DOWN, ROUND_UP, Decimal
 
@@ -17,15 +16,10 @@ from rest_framework import exceptions, serializers
 from rest_framework.compat import ProhibitNullCharactersValidator
 from rest_framework.fields import DjangoImageField, is_simple_callable
 
-try:
-    import typing
-except ImportError:
-    typing = False
-
-
 # Tests for helper functions.
 # ---------------------------
 
+
 class TestIsSimpleCallable:
 
     def test_method(self):
@@ -92,7 +86,6 @@ class TestIsSimpleCallable:
 
         assert is_simple_callable(ChoiceModel().get_choice_field_display)
 
-    @unittest.skipUnless(typing, 'requires python 3.5')
     def test_type_annotation(self):
         # The annotation will otherwise raise a syntax error in python < 3.5
         locals = {}

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
-       {py34,py35,py36}-django111,
-       {py34,py35,py36,py37}-django20,
+       {py35,py36}-django111,
+       {py35,py36,py37}-django20,
        {py35,py36,py37}-django21
        {py35,py36,py37}-django22
        {py36,py37}-djangomaster,