From 11bd2e2f6581e2a553cd1de9e9b45c3715467762 Mon Sep 17 00:00:00 2001
From: jaredgoldman <jaredgoldmandev@gmail.com>
Date: Thu, 13 Apr 2023 22:04:43 -0400
Subject: [PATCH] Use datetime | none instead of Optional[datetime] in get_bars

---
 piker/brokers/kucoin.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/piker/brokers/kucoin.py b/piker/brokers/kucoin.py
index 766cee62..596fcdb7 100644
--- a/piker/brokers/kucoin.py
+++ b/piker/brokers/kucoin.py
@@ -317,8 +317,8 @@ class Client:
     async def _get_bars(
         self,
         fqsn: str,
-        start_dt: Optional[datetime] = None,
-        end_dt: Optional[datetime] = None,
+        start_dt: datetime | None = None,
+        end_dt: datetime | None = None,
         limit: int = 1000,
         as_np: bool = True,
         type: str = '1min',