code: def memmap_after_ufunc() -> bool:
      """Return True if ufuncs on memmap arrays always return memmap arrays
  
      This should be True for numpy < 1.12, False otherwise.
      """
      with open(__file__, "rb") as fobj:
          mm_arr = np.memmap(
              fobj, mode="r", shape=(10,), dtype=np.uint8
          )
          return isinstance(mm_arr + 1, np.memmap)
  
label_desc: Use image node_id 1 for calling a global function with example usage: memmap_after_ufunc() and returns: isinstance