diff --git a/pyproject.toml b/pyproject.toml
index 68165362..622f5ebc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -116,6 +116,11 @@ local_scheme = "no-local-version"
 
 [tool.pytest.ini_options]
 testpaths = ["python/tests"]
+filterwarnings = [
+    # pytest-10 deprecations are errors so removed-in-10 usage (e.g. iterator
+    # argvalues, issue #48) fails here before an unbounded pytest upgrade does
+    "error::pytest.PytestRemovedIn10Warning",
+]
 
 [tool.coverage.run]
 branch = true
diff --git a/python/tests/test_exception.py b/python/tests/test_exception.py
index 9b86433d..b3c0a400 100644
--- a/python/tests/test_exception.py
+++ b/python/tests/test_exception.py
@@ -7,7 +7,8 @@
 
 @pytest.mark.parametrize(
     "message, status",
-    itertools.product(["an exception", "another exception"], [None, -3, 44]),
+    # materialized: pytest 10 rejects non-Collection iterables as argvalues
+    list(itertools.product(["an exception", "another exception"], [None, -3, 44])),
 )
 def test_ALException(message, status):
     match = message