class_docstr: Exchange calendar for CME
  
  Open Time: 5:00 PM, America/Chicago
  Close Time: 5:00 PM, America/Chicago
  
  Regularly-Observed Holidays:
  - New Years Day
  - Good Friday
  - Christmas
class_docstr_tok: ["Exchange","calendar","for","CME","Open","Time",":","5:00","PM",",","America\/Chicago","Close","Time",":","5:00","PM",",","America\/Chicago","Regularly-Observed","Holidays",":","-","New","Years","Day","-","Good","Friday","-","Christmas"]
code: def name(self):
      return "CME"
  
file_path: catalyst/catalyst/utils/calendars/exchange_calendar_cme.py
imports: from datetime import time
  from pandas.tseries.holiday import USPresidentsDay, USLaborDay, USThanksgivingDay, GoodFriday
  from pytz import timezone
  from .trading_calendar import TradingCalendar, HolidayCalendar
  from .us_holidays import USNewYearsDay, Christmas, ChristmasEveBefore1993, ChristmasEveInOrAfter1993, USBlackFridayInOrAfter1993, USNationalDaysofMourning, USMartinLutherKingJrAfter1998, USMemorialDay, USIndependenceDay
label_desc: Use image node_id 1 for calling the CMEExchangeCalendar obj's underlying member method code with example usage: obj.name() and returns: str