Drop support for Python 3.5 and 3.4 and add 3.9 (#60)

Author: tetienne

.github/workflows/main.yml

@@ -15,11 +15,11 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.5", "3.6", "3.7", "3.8"]
+        python-version: ["3.6", "3.7", "3.8", "3.9"]
 
     steps:
       - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v1"
+      - uses: "actions/setup-python@v2"
         with:
           python-version: "${{ matrix.python-version }}"
 

.pre-commit-config.yaml

@@ -32,3 +32,8 @@ repos:
     hooks:
       - id: isort
         additional_dependencies: ['toml']
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.7.4
+    hooks:
+      - id: pyupgrade
+        args: ["--py36-plus"]

CHANGELOG.md

@@ -1,3 +1,6 @@
+### 0.10.0
+* Drop support for Python 3.4 and 3.5
+* Add support for Python 3.9
 ### 0.9.3
 * Add geofencing mode for the thermostat
 ### 0.9.2