fix: Fix TradeUpdate model for validation error (#372)

* fix: fix TradeUpdate model for validation error * chore: fix lint
alpacahq · Oct 27, 2023 · e7a944e · e7a944e
1 parent 7a23c04
commit e7a944e
Showing 1 changed file with 10 additions and 4 deletions.
diff --git a/alpaca/trading/models.py b/alpaca/trading/models.py
@@ -591,10 +591,16 @@ class CorporateActionAnnouncement(ModelWithID):
 
 
 class TradeUpdate(BaseModel):
+    """
+    Represents a trade update.
+
+    ref. https://docs.alpaca.markets/docs/websocket-streaming#example
+    """
+
     event: Union[TradeEvent, str]
-    execution_id: Optional[UUID]
+    execution_id: Optional[UUID] = None
     order: Order
     timestamp: datetime
-    position_qty: Optional[float]
-    price: Optional[float]
-    qty: Optional[float]
+    position_qty: Optional[float] = None
+    price: Optional[float] = None
+    qty: Optional[float] = None