Remove Python 3.5

setup.py

@@ -1,7 +1,8 @@
-from setuptools import setup, find_packages
-from os import path
 import codecs
 import re
+from os import path
+
+from setuptools import find_packages, setup
 
 here = path.abspath(path.dirname(__file__))
 
@@ -46,7 +47,6 @@ def open_local(paths, mode="r", encoding="utf8"):
         "Intended Audience :: Developers",
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
     ],

tox.ini

@@ -1,10 +1,9 @@
 [tox]
-; envlist = clean, check, py{35,36,37}, report
-envlist = docs, clean, py{35,36,37}, report
+; envlist = clean, check, py{36,37}, report
+envlist = docs, clean, py{36,37}, report
 
 [testenv]
 basepython =
-    py35: {env:TOXPYTHON:python3.5}
     py36: {env:TOXPYTHON:python3.6}
     py37: {env:TOXPYTHON:python3.7}
     ; {clean,check,report,docs}: {env:TOXPYTHON:python3.6}
@@ -30,15 +29,15 @@ commands =
     {posargs:pytest --cov --cov-append --cov-report=term-missing -vv tests}
 
 [testenv:docs]
-basepython = python3.6
+basepython = python3.7
 deps =
     -r{toxinidir}/docs/requirements.txt
 skip_install = true
 commands =
     sphinx-build {posargs:-E} -b html docs/source docs/build
 
 [testenv:check]
-basepython = python3.6
+basepython = python3.7
 deps =
     ; docutils
     ; check-manifest