code: def test_dispose_previous_first_frame():
      with Image.open(
          "Tests/images/dispose_prev_first_frame.gif"
      ) as im:
          im.seek(1)
          assert_image_equal_tofile(
              im, "Tests/images/dispose_prev_first_frame_seeked.png"
          )
  
imports: from io import BytesIO
  import pytest
  from PIL import GifImagePlugin, Image, ImageDraw, ImagePalette, features
  from .helper import assert_image_equal, assert_image_equal_tofile, assert_image_similar, hopper, is_pypy, netpbm_available
label_desc: Use image node_id 30 for calling a global function with example usage: test_dispose_previous_first_frame() without return types