Import the UK model module directly in the contract's household route

changelog.d/650.fixed.md

@@ -0,0 +1 @@
+The UK Budget reform contract's household route imports the UK model module directly, so it runs in the qualification gate, whose scripts skip the country imports that set `policyengine.uk`; every household-route row there had errored.

src/policyengine/tax_benefit_models/uk/budget_reform_contract.py

@@ -1257,10 +1257,13 @@ class _WrapperHouseholdRoute:
     route = "wrapper.household"
 
     def _call(self, case: Case, year: int, reform, variables: Sequence[str]):
-        import policyengine as pe
+        # The module ``policyengine.uk`` names, imported directly: a process
+        # that sets POLICYENGINE_SKIP_COUNTRY_IMPORTS, as the qualification
+        # scripts do, leaves ``policyengine.uk`` as None.
+        from policyengine.tax_benefit_models import uk
 
         household = case.household
-        return pe.uk.calculate_household(
+        return uk.calculate_household(
             people=[dict(person) for person in household.people],
             benunit=dict(household.benunit),
             household=dict(household.household),

tests/test_uk_budget_reform_contract.py

@@ -2004,3 +2004,18 @@ def array(tag, variable, year):
     order = status[(population.POPULATION_QUERY_ORDER, "unreformed")]
     assert order["status"] == "fail"
     assert order["detail"]["income_tax:2026_matches"] is False
+
+
+def test_the_household_route_runs_where_country_imports_are_skipped(monkeypatch):
+    """scripts/check_uk_candidate.py sets POLICYENGINE_SKIP_COUNTRY_IMPORTS, so
+    ``policyengine.uk`` is None in the qualification gate; every household-route
+    row there errored with "'NoneType' object has no attribute
+    'calculate_household'"."""
+    import policyengine
+
+    monkeypatch.setattr(policyengine, "uk", None)
+    case = next(case for case in CASES if case.id == "april_rate_change")
+    rows = evaluate_case(case, "wrapper.household")
+    statuses = {row["status"] for row in rows}
+    # The route reads variables, not parameters, which it reports unsupported.
+    assert "pass" in statuses and statuses <= {"pass", "unsupported"}, rows