Update repo to require Python >=3.8

Author: kevincon

.github/workflows/build.yml

@@ -22,10 +22,10 @@ jobs:
         awk -F '\/' '{ print tolower($2) }' |
         tr '_' '-'
         )
-    - name: Set up Python 3.7
+    - name: Set up Python 3.8
       uses: actions/setup-python@v1
       with:
-        python-version: 3.7
+        python-version: 3.8
     - name: Versions
       run: |
         python3 --version

.github/workflows/release.yml

@@ -69,7 +69,7 @@ jobs:
       if: contains(steps.need-pypi.outputs.setup-py, 'setup.py')
       uses: actions/setup-python@v1
       with:
-        python-version: '3.x'
+        python-version: '3.8'
     - name: Install dependencies
       if: contains(steps.need-pypi.outputs.setup-py, 'setup.py')
       run: |

.readthedocs.yaml

@@ -9,7 +9,7 @@
 version: 2
 
 python:
-  version: "3.7"
+  version: "3.8"
   install:
     - requirements: docs/requirements.txt
     - requirements: requirements.txt

setup.py

@@ -33,6 +33,7 @@
     # Author details
     author="Adafruit Industries",
     author_email="[email protected]",
+    python_requires=">=3.8",
     install_requires=["Adafruit-Blinka", "typing-extensions"],
     # Choose your license
     license="MIT",
@@ -44,8 +45,7 @@
         "Topic :: System :: Hardware",
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.4",
-        "Programming Language :: Python :: 3.5",
+        "Programming Language :: Python :: 3.8",
     ],
     # What does your project relate to?
     keywords="adafruit blinka circuitpython micropython requests requests, networking",

tox.ini

@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: MIT
 
 [tox]
-envlist = py37
+envlist = py38
 
 [testenv]
 changedir = {toxinidir}/tests