replace trading_calendars with exchange_calendars

Author: Tantalon

alpaca_backtrader_api/alpacastore.py

@@ -9,7 +9,7 @@
 from datetime import datetime, timedelta, time as dtime
 from dateutil.parser import parse as date_parse
 import time as _time
-import trading_calendars
+import exchange_calendars
 import threading
 import asyncio
 
@@ -442,7 +442,7 @@ def _make_sure_dates_are_initialized_properly(self, dtbegin, dtend,
         else:
             dtend = pd.Timestamp(pytz.timezone('UTC').localize(dtend))
         if granularity == Granularity.Minute:
-            calendar = trading_calendars.get_calendar(name='NYSE')
+            calendar = exchange_calendars.get_calendar(name='NYSE')
             while not calendar.is_open_on_minute(dtend):
                 dtend = dtend.replace(hour=15,
                                       minute=59,

requirements/requirements.txt

@@ -1,4 +1,4 @@
 backtrader==1.9.76.123
 alpaca-trade-api==1.2.2
-trading_calendars==2.1.1
+exchange_calendars==3.2