handle case when candidate is None (#1066)

2023-03-17 14:27:27 -07:00
parent 9d5fa05a00
commit aa73e3c69f
1 changed files with 1 additions and 1 deletions
@@ -525,7 +525,7 @@ def _find_form_xobject_images(pdf: Pdf, container: Object, contentsinfo: Content
    xobjs = resources['/XObject'].as_dict()
    for xobj in xobjs:
        candidate = xobjs[xobj]
-        if candidate['/Subtype'] != '/Form':
+        if candidate is None or candidate['/Subtype'] != '/Form':
            continue

        form_xobject = candidate