code: from typing import Callable, Any
  import numpy as np
  
  AR: np.ndarray
  func1: Callable[[Any], str]
  func2: Callable[[np.integer[Any]], str]
  
  np.array2string(AR, style=None)  # E: Unexpected keyword argument
  np.array2string(AR, legacy="1.14")  # E: incompatible type
  np.array2string(AR, sign="*")  # E: incompatible type
  np.array2string(AR, floatmode="default")  # E: incompatible type
  np.array2string(AR, formatter={"A": func1})  # E: incompatible type
  np.array2string(AR, formatter={"float": func2})  # E: Incompatible types
  