code: def __init__(self, expr: str):
      self.expr = expr
  
imports: import logging
  from abc import abstractmethod
  from functools import lru_cache
  from datetime import datetime, timedelta
  from RestrictedPython import safe_builtins, utility_builtins, limited_builtins, compile_restricted
  from RestrictedPython.Eval import default_guarded_getitem
  from RestrictedPython.Guards import full_write_guard, guarded_iter_unpack_sequence, guarded_unpack_sequence
label_desc: Use image node_id 1 to create a new Query object  with example: obj = Query(expr)