From be8629929bf58e41984b46d52ac7f33565bfaf0a Mon Sep 17 00:00:00 2001
From: Nelson Torres <nelson.torres.alvarado1@gmail.com>
Date: Fri, 8 Nov 2024 21:41:52 +0000
Subject: [PATCH] modify self_pairs type to ChainMap

---
 piker/brokers/deribit/api.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/piker/brokers/deribit/api.py b/piker/brokers/deribit/api.py
index b663d470..6f8f659d 100644
--- a/piker/brokers/deribit/api.py
+++ b/piker/brokers/deribit/api.py
@@ -270,7 +270,7 @@ class Client:
         json_rpc: Callable
 
     ) -> None:
-        self._pairs: dict[str, Any] = None
+        self._pairs: ChainMap[str, Pair] = ChainMap()
 
         config = get_config().get('option', {})