Correct variable type

[radarhere]

This test uses an Image instance

Pillow/Tests/test_file_iptc.py

Lines 86 to 90 in 2c6fd36

	def test_getiptcinfo_jpg_none() -> None:
	# Arrange
	with hopper() as im:
	# Act
	iptc = IptcImagePlugin.getiptcinfo(im)

but an ImageFile instance is expected.

Pillow/src/PIL/IptcImagePlugin.py

Lines 170 to 172 in 2c6fd36

	def getiptcinfo(
	im: ImageFile.ImageFile,
	) -> dict[tuple[int, int], bytes | list[bytes]] | None: