Oldest supported Python -> 3.9

Author: maxmynter

.github/workflows/test-and-lint.yaml

@@ -53,7 +53,7 @@ jobs:
     - name: Set up oldest supported Python on ${{ matrix.os }}
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Run tests on oldest supported Python
       run: |
         python -m pip install -r requirements.txt

pyproject.toml

@@ -7,7 +7,7 @@ name = "job-queue"
 description = ""
 version = "0.1.0"
 readme = "README.md"
-requires-python = ">=3.11"
+requires-python = ">=3.9"
 dependencies = ["docker", "kubernetes", "ray[train]", "tensorflow"]
 
 [project.scripts]