evals / debt-migration

billing-refund

Expected

Hidden from the reviewer, like the grading note below.

legacy-fetch-strict
holds

billing.py gains refund(), which calls client.get. The file has no legacy_client.fetch call before or after the change, so the contract holds.

Change

Contracts

legacy-fetch-strict
---
name: legacy-fetch-strict
message: Use api.Client.get instead of the deprecated legacy_client.fetch.
---

## Rules

This contract governs Python source under `app/`.

Do not call `legacy_client.fetch`. Call `api.Client.get` instead.