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Python error

I currently have an experiment that runs fine for the first 450 trials or so, and then randomly crashes between 451 and 500 trials. The error is due to a Python crash:

The experiment did not finish normally for the following reason:

Python seems to have crashed. This should not happen. If Python crashes often, please report it on the OpenSesame forum.

item-stack: ``
time: Sat Feb 03 13:11:49 2018

I can't think of a reason why it would stop, as I am using the same inline randomization in a different (but shorter) experiment. I have tried different backends, but no success. With xpyriment I get a black screen that does not respond to anything except quitting, and with psycho it crashes.
Any help appreciated very much!


  • Hey!
    Would be great if you upload the experiment file.


  • edited February 2018

    I solved it (I think it wasn't a Python problem after all, but an indexing problem; although this does not match the error, fixing a list problem also fixed the Python error).

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