fix: update NP_NAT defenition to fix TypeError bug

AlpacaTechJP · Nov 29, 2021 · e8ff641 · e8ff641
1 parent e168969
commit e8ff641
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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([np.datetime64('NaT').astype(np.int64)])[0]
 
 
 def next_divider_idx(dividers, minute_val):