fixed typeguard usage w/ burnettk

.github/workflows/tests.yml

@@ -61,7 +61,10 @@ jobs:
               database: "sqlite",
             }
           - {
-              python: "3.10",
+              # typeguard 2.13.3 is broken with TypeDict in 3.10.
+              # probably the next release fixes it.
+              # https://github.com/agronholm/typeguard/issues/242
+              python: "3.9",
               os: "ubuntu-latest",
               session: "typeguard",
               database: "sqlite",

conftest.py

@@ -3,8 +3,16 @@ import os
 
 import pytest
 from flask.app import Flask
+from typeguard.importhook import install_import_hook
 
-from spiff_workflow_webapp import create_app
+
+# We need to call this before importing spiff_workflow_webapp
+# otherwise typeguard cannot work. hence the noqa: E402
+if os.environ.get("RUN_TYPEGUARD") == "true":
+    install_import_hook(packages="spiff_workflow_webapp")
+
+
+from spiff_workflow_webapp import create_app  # noqa: E402
 
 
 @pytest.fixture(scope="session")

noxfile.py

@@ -156,7 +156,8 @@ def typeguard(session: Session) -> None:
     """Runtime type checking using Typeguard."""
     session.install(".")
     session.install("pytest", "typeguard", "pygments")
-    session.run("pytest", f"--typeguard-packages={package}", *session.posargs)
+    session.env["RUN_TYPEGUARD"] = "true"
+    session.run("pytest", *session.posargs)
 
 
 @session(python=python_versions)