It would be more helpful if you point to the code here. I had a problem
with QThread (was initially inheriting QThread) but managed to fix the
problem by creating workers and move the worker object to thread. This is a
good article about multithreading in qgis
https://snorfalorpagus.net/blog/2013/12/07/multithreading-in-qgis-python-plugins/

On Sep 5, 2016 23:01, "Sergio Vignali" <[email protected]> wrote:

> Dear all,
>
> I wrote a python script that aims to execute neighbourhood statistics in
> raster layer. My script uses QThread to update a QList and a QProgressBar
> and everithing works fine if I run the script from PyCharm, the progressbar
> and the list are updated. The problem appears when I move my script in a
> Qgis plugin, the UI appears correctly but clicking OK the software
> crashes...
> I am using qgis 2.14 in a linux machine, do you have any advice?
>
> All the best
>
>
>
> --
> Sergio Vignali
>
>
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