class_docstr: Represents a holiday calendar.
  
  Provides methods for manipulating the dates taking into account the holidays,
  and the business day roll conventions. Weekends are treated as holidays.
class_docstr_tok: ["Represents","a","holiday","calendar",".","Provides","methods","for","manipulating","the","dates","taking","into","account","the","holidays",",","and","the","business","day","roll","conventions",".","Weekends","are","treated","as","holidays","."]
docstr: Returns a tensor of bools for whether given dates are business days.
docstr_tok: ["Returns","a","tensor","of","bools","for","whether","given","dates","are","business","days","."]
code: def is_business_day(self, date_tensor):
      """Returns a tensor of bools for whether given dates are business days."""
      pass
  
file_path: tf-quant-finance/tf_quant_finance/datetime/holiday_calendar.py
imports: import abc
  from tf_quant_finance.datetime import constants
label_desc: Use image node_id 1 for calling the HolidayCalendar obj's underlying member method code with example usage: obj.is_business_day(date_tensor) without return types