Bump dependencies

README.rst

@@ -108,6 +108,7 @@ Tested against:
 - Python 3.9
 - Python 3.10
 - Python 3.11
+- Python 3.12
 - PyPy 3
 
 Python 3 versions < 3.7 are untested but should work.
@@ -118,6 +119,7 @@ Changes
 unreleased
 ----------
 
+* Add Python 3.12 support
 * Drop Python 3.6 support (3.6 is end of life)
 * Freshen up README
 * Fix test_fixedoffset_eq by adding an actual assertion

noxfile.py

@@ -2,28 +2,30 @@
 
 
 @nox.session(reuse_venv=True)
-def lint(session: nox.Session):
+def lint(session: nox.Session) -> None:
     session.install("pytest", "hypothesis", "pytz", "black", "mypy", "isort")
     session.run("isort", "--check", "--diff", "iso8601")
     session.run("black", "--check", "--diff", "iso8601")
     session.run("mypy", "--strict", "iso8601")
 
 
 @nox.session(reuse_venv=True)
-def check_example(session: nox.Session):
+def check_example(session: nox.Session) -> None:
     session.install(".", "mypy")
     session.run("mypy", "--strict", "docs/example.py")
     session.run("python", "docs/example.py")
 
 
 @nox.session(reuse_venv=True)
-def docs(session: nox.Session):
+def docs(session: nox.Session) -> None:
     session.install(".", "Sphinx")
     session.run("sphinx-build", "docs", "docs/_build")
 
 
-@nox.session(python=["3.7", "3.8", "3.9", "3.10", "3.11", "pypy3"], reuse_venv=True)
-def test(session: nox.Session):
+@nox.session(
+    python=["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "pypy3"], reuse_venv=True
+)
+def test(session: nox.Session) -> None:
     session.install(".")
     session.install("pytest", "hypothesis", "pytz")
     session.run("pytest", "-vv", "--tb=short", "--log-level=INFO")