fix more tests

Author: bshaffer

packages/help/noxfile.py

@@ -18,7 +18,7 @@
 import nox
 
 DEFAULT_PYTHON_VERSION = "3.14"
-ALL_PYTHON = ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+ALL_PYTHON = ["3.10", "3.11", "3.12", "3.13", "3.14"]
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
 REPO_ROOT = CURRENT_DIRECTORY.parent.parent
 
@@ -30,7 +30,9 @@
 
 nox.options.sessions = [
     "lint",
+    "lint_setup_py",
     "unit",
+    "mypy",
     "prerelease_deps",
     "core_deps_from_source",
     "docfx",
@@ -39,13 +41,26 @@
 # Error if a python version is missing
 nox.options.error_on_missing_interpreters = True
 
+@nox.session(python=DEFAULT_PYTHON_VERSION)
+def lint_setup_py(session):
+    """Verify that setup.py is valid."""
+    session.install("setuptools")
+    session.run("python", "setup.py", "check", "--strict")
+
 @nox.session(python=ALL_PYTHON)
 def unit(session):
     """Run unit tests."""
     session.install("pytest", "pytest-cov")
     session.install("-e", ".")
     session.run("pytest", "tests")
 
+@nox.session(python=DEFAULT_PYTHON_VERSION)
+def mypy(session):
+    """Run mypy."""
+    session.install("mypy", "types-PyYAML")
+    session.install("-e", ".")
+    session.run("mypy", "help", "tests", "noxfile.py", "docfx_helper.py")
+
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def prerelease_deps(session):
     """Run unit tests with prerelease dependencies."""