Drop Python 2.7 support

Author: eumiro

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["2.7", "3.6", "3.7", "3.8", "3.9", "pypy2", "pypy3"]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "pypy3"]
         os: ["ubuntu-latest", "macos-latest"]
 
     steps:

.travis.yml

@@ -1,12 +1,10 @@
 language: python
 sudo: false
 python:
-  - "2.7"
   - "3.6"
   - "3.7"
   - "3.8"
   - "3.9"
-  - "pypy2"
   - "pypy3"
 
 before_install:

README.rst

@@ -33,9 +33,8 @@ Install
 
 Supported Python versions:
 
-* Python 2.7
-* Python >= 3.2
-* PyPy and PyPy3
+* Python >= 3.6
+* PyPy3
 
 **Install:**
 

setup.py

@@ -33,7 +33,6 @@
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py36,py37,py38,py39,pypy2,pypy3
+envlist = py36,py37,py38,py39,pypy3
 
 [testenv]
 deps =