Error w/ card display

[Bithov Vinu Student]

Hi,

I recently imported into my Mnemosyne collection an Anki deck of Image Occlusions. My personal setting for Mnemosyne is to display cards "in two boxes with adaptive size" but I noticed that when I tried to review the  image occlusion flashcards, I'd get the following error:

An unexpected error has occurred.
Please forward the following info to the developers:

Traceback (innermost last):
  File "/usr/lib/python3/dist-packages/mnemosyne/pyqt_ui/main_wdgt.py", line 255, in configure
    self.controller().show_configuration_dialog()
  File "/usr/lib/python3/dist-packages/mnemosyne/libmnemosyne/controllers/default_controller.py", line 985, in show_configuration_dialog
    self.review_controller().update_dialog(redraw_all=True)
  File "/usr/lib/python3/dist-packages/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 196, in update_dialog
    self.update_qa_area(redraw_all)
  File "/usr/lib/python3/dist-packages/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 236, in update_qa_area
    w.clear_answer()
  File "/usr/lib/python3/dist-packages/mnemosyne/pyqt_ui/review_wdgt.py", line 252, in clear_answer
    self.update_stretch_factors()
  File "/usr/lib/python3/dist-packages/mnemosyne/pyqt_ui/review_wdgt.py", line 148, in update_stretch_factors
    self.estimate_height(self.question_text)
  File "/usr/lib/python3/dist-packages/mnemosyne/pyqt_ui/review_wdgt.py", line 126, in estimate_height
    with Image.open(img_file) as im:
  File "/usr/lib/python3/dist-packages/PIL/Image.py", line 2930, in open
    raise UnidentifiedImageError(
 PIL.UnidentifiedImageError: cannot identify image file '/home/bithov/.local/share/mnemosyne/default.db_media/85ec8607fbf344d48c13477052ba48fe-ao-1-Q.svg'

I think I might be able to fix this by manually making image occlusions using GIMP or Krita, but that's far too labour intensive for me to do as anything but a last shot. I strongly prefer Mnemosyne, and the Anki scheduler is far too strict, so I'd rather not switch purely for Image Occlusions. I only get the error when I use the "adaptive size" setting; using the "fixed size" option works and so does the "single top-aligned box" option.

(Note: I'm on Ubuntu 20.10, but I've tested whether it works on my Windows machine and it's reporting similar errors).

Thanks,

Bithov

Student Account
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[Peter Bienstman]

In this case, I'm afraid you'll have to use fixed size or single top aligned. The reason is that for adaptive size, we use a heuristic that takes a look at the size of the image using a library which cannot work with svg files. (Since svg files are vector files which can be scaled to any size, that makes perfect sense...)

Peter

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