Drop python 3.6 support, start python 3.10 support. Close #366 (#379)

Author: tokuhirom

.github/workflows/auto-testing.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: ['3.7', '3.8', '3.9', '3.10']
 
     steps:
     - uses: actions/checkout@v2

README.rst

@@ -22,7 +22,7 @@ Japanese: https://developers.line.biz/ja/docs/messaging-api/overview/
 Requirements
 ------------
 
--  Python >= 3.6
+-  Python >= 3.7
 
 Installation
 ------------
@@ -1458,28 +1458,28 @@ Run tests
 
 Test by using tox. We test against the following versions.
 
--  3.6
 -  3.7
 -  3.8
 -  3.9
+-  3.10
 
 To run all tests and to run ``flake8`` against all versions, use:
 
 ::
 
     tox
 
-To run all tests against version 3.6, use:
+To run all tests against version 3.7, use:
 
 ::
 
-    $ tox -e py3.6
+    $ tox -e py3.7
 
-To run a test against version 3.6 and against a specific file, use:
+To run a test against version 3.7 and against a specific file, use:
 
 ::
 
-    $ tox -e py3.6 -- tests/test_webhook.py
+    $ tox -e py3.7 -- tests/test_webhook.py
 
 
 .. |Build Status| image:: https://travis-ci.org/line/line-bot-sdk-python.svg?branch=master

setup.py

@@ -179,7 +179,7 @@ def run(self):
     packages=[
         "linebot", "linebot.models"
     ],
-    python_requires=">=3.6.0",
+    python_requires=">=3.7.0",
     install_requires=_requirements(),
     tests_require=_requirements_test(),
     cmdclass={
@@ -191,10 +191,10 @@ def run(self):
         "License :: OSI Approved :: Apache Software License",
         "Intended Audience :: Developers",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Topic :: Software Development"
     ]
 )

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py3.6, py3.7, py3.8, py3.9, py3-flake8-src, py3-flake8-other
+envlist = py3.7, py3.8, py3.9, py3.10, py3-flake8-src, py3-flake8-other
 
 [testenv]
 deps =