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Matt Harbison authored
The str cast is necessary, otherwise an AttributeError is raised saying (for example) that 'FileNotFoundError' object has no attribute 'decode'. In testing this (by trying to `subprocess.Popen("NULL")`), the error dialog pops up with the title, but nothing else in the box. The following message is printed in the terminal, and the whole process hangs: QObject::startTimer: Timers can only be used with threads started with QThread --HG-- branch : stable
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