Yeah my extra row of keys is a dismembered shell of what it was. I will say, though, Pythonista has held up miraculously perfectly throughout the 11 beta.

The next day...

Whoa! I wrote this yesterday but never submitted it. Here it is waiting for me. Amazingly, in the span of less than 24 hours, beta 5 came and the extra row has reappeared! Huzzah!

Following up on this, before I could implement the advice above I already "offloaded" the app in settings in iOS 11 b4. Upon restoring, all was well, data intact!

Man I was looking for just this. And here you posted just 4 days ago! Are you on the 11 beta too?

I'm sure this trick will work.

I was poking around the internals and I tried to open the "import completion" Json file. I'm assuming it's big, though I haven't seen it.