fix(ci): allow Python 3.9 unit tests to run (and be skipped)

chalmerlowe · chalmerlowe · commit bbf78ce127b9 · 2026-05-04T10:49:48.000-04:00
diff --git a/ci/run_single_test.sh b/ci/run_single_test.sh
@@ -70,6 +70,10 @@ case ${TEST_TYPE} in
         ;;
     unit)
         case ${PY_VERSION} in
+        "3.9")
+            nox -s unit-3.9
+            retval=$?
+            ;;
         "3.10")
             nox -s unit-3.10
             retval=$?
