Require JupyterHub>=4.1.6 and Python 3.9

.github/workflows/release.yaml

@@ -23,7 +23,7 @@ on:
 
 jobs:
   build-release:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/test.yaml

@@ -25,23 +25,19 @@ env:
 
 jobs:
   test:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     timeout-minutes: 10
 
     strategy:
       fail-fast: false
       matrix:
         include:
-          - python-version: "3.8"
-            pip-install-spec: "jupyterhub==2.3.1 sqlalchemy==1.*"
           - python-version: "3.9"
-            pip-install-spec: "jupyterhub==3.*"
-          - python-version: "3.10"
             pip-install-spec: "jupyterhub==4.*"
-          - python-version: "3.11"
-            pip-install-spec: "jupyterhub==5.*"
           - python-version: "3.12"
-            pip-install-spec: "jupyterhub"
+            pip-install-spec: "jupyterhub==5.*"
+          - python-version: "3.x"
+            pip-install-spec: "--pre jupyterhub"
 
     steps:
       - uses: actions/checkout@v4

.pre-commit-config.yaml

@@ -15,7 +15,7 @@ repos:
     hooks:
       - id: pyupgrade
         args:
-          - --py38-plus
+          - --py39-plus
 
   # Autoformat: Python code
   - repo: https://github.com/PyCQA/autoflake

pyproject.toml

@@ -25,7 +25,6 @@ profile = "black"
 # target-version should be all supported versions, see
 # https://github.com/psf/black/issues/751#issuecomment-473066811
 target_version = [
-    "py38",
     "py39",
     "py310",
     "py311",

setup.py

@@ -11,9 +11,9 @@
     author_email="[email protected]",
     license="3 Clause BSD",
     packages=["ldapauthenticator"],
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     install_requires=[
-        "jupyterhub>=2.3.1",
+        "jupyterhub>=4.1.6",
         "ldap3",
         "tornado",
         "traitlets",