code: def compile_checker(expr):
      source_code = expr
      byte_code = compile_restricted(
          source_code, filename="<inline code>", mode="eval"
      )
      return byte_code
  
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 3 for calling a global function with example usage: compile_checker(expr) and returns: byte_code