Colorspace /DeviceRGB not supported

[stefan6419846]

Explanation

At the moment, support for the /DeviceRGB color mode seems to be missing:

File "/home/user/lib/python3.6/site-packages/pypdf/_page.py", line 2604, in __iter__
    yield self[i]
  File "/home/user/lib/python3.6/site-packages/pypdf/_page.py", line 2600, in __getitem__
    return self.get_function(lst[index])
  File "/home/user/lib/python3.6/site-packages/pypdf/_page.py", line 533, in _get_image
    return self._get_image(ids, cast(DictionaryObject, xobjs[id[0]]))
  File "/home/user/lib/python3.6/site-packages/pypdf/_page.py", line 522, in _get_image
    imgd = _xobj_to_image(cast(DictionaryObject, xobjs[id]))
  File "/home/user/lib/python3.6/site-packages/pypdf/filters.py", line 877, in _xobj_to_image
    "",
  File "/home/user/lib/python3.6/site-packages/pypdf/filters.py", line 693, in _get_imagemode
    mode_map.get(color_space)  # type: ignore
TypeError: unhashable type: 'ArrayObject'

Debugging the value of color_space reveals ['/DeviceRGB'].

Code Example

from pypdf import PdfReader

reader = PdfReader('file.pdf')
for page in reader.pages:
    for image in reader.images:
        print(image)

[stefan6419846]

can you please confirm you are on the latest release

commit 11ee6480a3f795d770da89944f32a977e3c110e2 (HEAD -> main, origin/main, origin/HEAD)
Author: pubpub-zz <4083478+pubpub-zz@users.noreply.github.com>
Date:   Tue Jul 25 22:09:06 2023 +0200

then please provide the pdf for analysis

Sent to Martin due to privacy reasons.

[pubpub-zz]

thanks for the report and the file:
here is a test file showing the same issue for test:
pypdf_with_arr_deviceRGB.pdf