Remove Python 3.9 and add Python 3.12

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: true
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11", "3.12"]
 
     steps:
       - name: Checkout source
@@ -50,7 +50,7 @@ jobs:
         uses: conda-incubator/setup-miniconda@v2
         with:
           miniconda-version: "latest"
-          python-version: "3.9"
+          python-version: "3.12"
 
       - name: Run import tests
         shell: bash -l {0}

.github/workflows/release.yml

@@ -10,10 +10,10 @@ jobs:
       - name: Checkout source
         uses: actions/checkout@v2
 
-      - name: Set up Python 3.9
+      - name: Set up Python 3.12
         uses: actions/setup-python@v1
         with:
-          python-version: 3.9
+          python-version: 3.12
 
       - name: Install pypa/build
         run: python -m pip install build wheel

ci/environment-3.9.yml → ci/environment-3.12.yml

@@ -3,7 +3,7 @@ channels:
   - defaults
   - conda-forge
 dependencies:
-  - python=3.9
+  - python=3.12
   - nomkl
   - pip
   # Dask

ci/scripts/test_imports.sh

@@ -3,9 +3,9 @@ set -o errexit
 
 
 test_import () {
-    echo "Create environment: python=3.9 $1"
+    echo "Create environment: python=3.12 $1"
     # Create an empty environment
-    conda create -q -y -n test-imports -c conda-forge python=3.9
+    conda create -q -y -n test-imports -c conda-forge python=3.12
     conda activate test-imports
     pip install -e .[$1]
     echo "python -c '$2'"

setup.py

@@ -39,5 +39,5 @@
     [console_scripts]
     dask-ecs=dask_cloudprovider.cli.ecs:go
     """,
-    python_requires=">=3.9",
+    python_requires=">=3.10",
 )