
It may be a good idea to fix this problem for the users.

Since the version in PsychoPy2 Standalone is 0.2.3.2, which is older than the current stable version of moviepy, I’m not sure if the problem was fixed in PsychoP圓.Ī quick fix is to call () directly in the shell with internet connection: import imageioĪfter doing this, the application stop downloading ffmpeg endlessly. With internet connection, the application hangs until finishing downloading with no internet connection, it crashes. There are a variety of ways to install FFmpeg, such as the official download links, or using your package manager of choice (e.g. Python complains ‘ffmpef not downloaded, download now’ and downloads ffmpeg EVERYTIME PsychoPy2 is launched. What specifically went wrong when you tried that?: The python version being used through this article is Python 2.7.x so make sure to install it on your own linux machine before going any further as a different. What did you try to make it work?: Launch it with no internet connection. What are you trying to achieve?: Start the application.

TL DR imageio trying to download ffmpeg with no internet connection makes the application crash.
