code: def test_isatty():
      with hopper() as im:
          container = ContainerIO.ContainerIO(im, 0, 0)
  
      assert container.isatty() is False
  
file_path: pillow/Tests/test_file_container.py
imports: from __future__ import annotations
  import pytest
  from PIL import ContainerIO, Image
  from .helper import hopper
label_desc: Use image node_id 2 for calling a global function with example usage: test_isatty() without return types