From 85a2cb3c9d4049bf29d69616a21c29c37408f333 Mon Sep 17 00:00:00 2001
From: Huoran Li <huo53926@126.com>
Date: Tue, 26 Jul 2022 11:16:39 +0800
Subject: [PATCH] Minor change

---
 qlib/rl/order_execution/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qlib/rl/order_execution/utils.py b/qlib/rl/order_execution/utils.py
index 3610f432a..e3f7e2f33 100644
--- a/qlib/rl/order_execution/utils.py
+++ b/qlib/rl/order_execution/utils.py
@@ -18,7 +18,7 @@ def _get_common_infra(
     config: ExchangeConfig,
     trade_date: pd.Timestamp,
     codes: List[str],
-    cash_limit: Optional[float] = None,
+    cash_limit: float = None,
 ) -> CommonInfrastructure:
     # need to specify a range here for acceleration
     if cash_limit is None: