From 1a938c079ae0c1ad34ed78661b73d4caf6531ce6 Mon Sep 17 00:00:00 2001
From: MihailSalnikov <2613180+MihailSalnikov@users.noreply.github.com>
Date: Tue, 6 Jul 2021 15:23:13 +0300
Subject: [PATCH] Update NP_NAT defenition to fix TypeError bug

---
 trading_calendars/calendar_helpers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/trading_calendars/calendar_helpers.py b/trading_calendars/calendar_helpers.py
index 08fb6783..b670c49d 100644
--- a/trading_calendars/calendar_helpers.py
+++ b/trading_calendars/calendar_helpers.py
@@ -3,7 +3,7 @@
 
 NANOSECONDS_PER_MINUTE = int(6e10)
 
-NP_NAT = np.array([pd.NaT], dtype=np.int64)[0]
+NP_NAT = np.array([pd.NaT])[0]
 
 
 def next_divider_idx(dividers, minute_val):