code: def p_error(t):
      if t is None:
          raise ParseError("spec cannot be empty")
      raise ParseError(f"unexpected '{t.value}' at pos {t.lexpos}")
  
imports: from datetime import datetime, date, time, timedelta
  from guild import _yacc
  from .None import trlex
label_desc: Use image node_id 54 for calling a global function with example usage: p_error(t) without return types