chore: fix details lost during rebse to updated main

Author: vchudnov-g

noxfile.py

@@ -261,6 +261,12 @@ def lint_setup_py(session):
     session.run("python", "setup.py", "check", "--restructuredtext", "--strict")
 
 
+@nox.session(python=DEFAULT_PYTHON_VERSION)
+def pytype(session):
+    """Run type-checking."""
+    session.install(".[grpc]", "pytype")
+    session.run("pytype")
+
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def mypy(session):
     """Run type-checking."""

setup.cfg

@@ -1,10 +1,9 @@
- [pytype]
--python_version = 3.7
-+python_version = 3.9
- inputs =
-     google/
- exclude =
-     tests/
- output = .pytype/
- # Workaround for https://github.com/google/pytype/issues/150
- disable = pyi-error
+[pytype]
+python_version = 3.9
+inputs =
+    google/
+exclude =
+    tests/
+output = .pytype/
+# Workaround for https://github.com/google/pytype/issues/150
+disable = pyi-error