code: def _year_range(ref, shift=0):
      start = ref.replace(
          year=ref.year + shift,
          month=1,
          day=1,
          hour=0,
          minute=0,
          second=0,
          microsecond=0,
      )
      end = start.replace(year=start.year + 1)
      return start, end
  
imports: from datetime import datetime, date, time, timedelta
  from guild import _yacc
  from .None import trlex
label_desc: Use image node_id 37 for calling a global function with example usage: _year_range(ref, shift) and returns: start,  end