remove now unused out-of-stock exception [chapter_08_events_and_message_bus_ends]

hjwp · hjwp · commit b462ac583dcb · 2024-03-01T15:01:36.000Z
diff --git a/src/allocation/domain/model.py b/src/allocation/domain/model.py
@@ -5,10 +5,6 @@
 from . import events
 
 
-class OutOfStock(Exception):
-    pass
-
-
 class Product:
     def __init__(self, sku: str, batches: List[Batch], version_number: int = 0):
         self.sku = sku
diff --git a/src/allocation/entrypoints/flask_app.py b/src/allocation/entrypoints/flask_app.py
@@ -1,9 +1,6 @@
 from datetime import datetime
 from flask import Flask, request
-from sqlalchemy import create_engine
-from sqlalchemy.orm import sessionmaker
 
-from allocation.domain import model
 from allocation.adapters import orm
 from allocation.service_layer import services, unit_of_work
 
@@ -35,7 +32,7 @@ def allocate_endpoint():
             request.json["qty"],
             unit_of_work.SqlAlchemyUnitOfWork(),
         )
-    except (model.OutOfStock, services.InvalidSku) as e:
+    except services.InvalidSku as e:
         return {"message": str(e)}, 400
 
     return {"batchref": batchref}, 201
