I ran into the same problem today. After reading through this thread I realized perhaps it had to do with having both Pythonista 2 and the new Pythonista 3 installed. I uninstalled both and reinstalled 3 and it fixed the problem.
Welcome!
This is the community forum for my apps Pythonista and Editorial.
For individual support questions, you can also send an email. If you have a very short question or just want to say hello — I'm @olemoritz on Twitter.
