unfortunate hack on dataclass in model

hjwp · hjwp · commit 527b3200a4e3 · 2021-02-23T16:32:48.000Z
diff --git a/model.py b/model.py
@@ -17,7 +17,7 @@ def allocate(line: OrderLine, batches: List[Batch]) -> str:
         raise OutOfStock(f"Out of stock for sku {line.sku}")
 
 
-@dataclass(frozen=True)
+@dataclass(unsafe_hash=True)
 class OrderLine:
     orderid: str
     sku: str
