From c6f86b8fd1dd691e7b4edd5b493564e5e5f441b1 Mon Sep 17 00:00:00 2001
From: moshferatu <gitea@steveharris.sh>
Date: Fri, 8 Dec 2023 12:38:06 -0800
Subject: [PATCH] Freeze option leg dataclass in order to allow for hashing

---
 ibkr/option_leg.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ibkr/option_leg.py b/ibkr/option_leg.py
index 4641cb1..885f986 100644
--- a/ibkr/option_leg.py
+++ b/ibkr/option_leg.py
@@ -2,7 +2,7 @@ from dataclasses import dataclass
 from datetime import datetime
 from typing import Literal
 
-@dataclass
+@dataclass(frozen=True)
 class OptionLeg:
     symbol: str
     expiration: datetime