Pillow deprecation warning: Image.Image.getdata will be removed in Pillow 14

[titusz]

Description

When using iscc-sdk with recent versions of Pillow, deprecation warnings are raised:

DeprecationWarning: Image.Image.getdata is deprecated and will be removed in Pillow 14 (2027-10-15). Use get_flattened_data instead.

Affected locations

• iscc_sdk/image.py:301 - data = list(img.getdata())
• iscc_sdk/image.py:67 - pixels = im.getdata()

Suggested fix

Replace img.getdata() with img.get_flattened_data() as recommended by Pillow.

Environment

• iscc-sdk: 0.8.x
• Pillow: 11.x+
• Python: 3.12