From 09fad18a46536f3929784221ca68183c887d54b8 Mon Sep 17 00:00:00 2001
From: Graeme Holliday <graeme.holliday@pm.me>
Date: Sun, 3 Dec 2023 22:35:07 -0500
Subject: [PATCH] Actualizar metrics.py

---
 tastytrade/metrics.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tastytrade/metrics.py b/tastytrade/metrics.py
index 77b3876..41f01e7 100644
--- a/tastytrade/metrics.py
+++ b/tastytrade/metrics.py
@@ -31,7 +31,7 @@ class Liquidity(TastytradeJsonDataclass):
     sum: Decimal
     count: int
     started_at: datetime
-    updated_at: datetime
+    updated_at: Optional[datetime] = None
 
 
 class OptionExpirationImpliedVolatility(TastytradeJsonDataclass):