code: def is_callable(obj: object) -> bool:
      """
  
      Parameters
      ----------
      `obj` - the object to be checked
  
      Returns
      -------
      validator - returns True if object is callable
          raises ValueError otherwise.
  
      """
      if not callable(obj):
          raise ValueError("Value must be a callable")
      return True
  
imports: from __future__ import annotations
  from contextlib import ContextDecorator, contextmanager
  import re
  from typing import TYPE_CHECKING, Any, Callable, Generic, NamedTuple, cast
  import warnings
  from pandas._typing import F, T
  from pandas.util._exceptions import find_stack_level
label_desc: Use image node_id 23 for calling a global function with example usage: is_callable(obj) and returns: True