code: def _end_of_month(ref):
      next_month = ref.replace(day=28) + timedelta(days=4)
      return next_month - timedelta(days=next_month.day)
  
imports: from datetime import datetime, date, time, timedelta
  from guild import _yacc
  from .None import trlex
label_desc: Use image node_id 34 for calling a global function with example usage: _end_of_month(ref) and returns: unknown