optimize: fix handling of [/FlateDecode none] - type images

Closes #1271
2024-04-07 01:44:08 -07:00
parent 7a8cc21e31
commit b4db1b741f
1 changed files with 1 additions and 0 deletions
@@ -89,6 +89,7 @@ def extract_image_filter(
        if (
            len(pim.filter_decodeparms) == 2
            and first_filtdp[0] == Name.FlateDecode
+            and first_filtdp[1] is not None
            and first_filtdp[1].get(Name.Predictor, 1) == 1
            and second_filtdp[0] == Name.DCTDecode
            and not second_filtdp[1]