How do you stop the XCode debugger from autocompleting without options?

Question

The debugger is really (de)bugging me. Every time I try to type a po ... command, it autocompletes (without giving me any options) and I end up typing stuff like po [s

Answer 1

Hmm, the accepted answer is kind of overkill.

How about the answer provided to this question:

The closest I've come to solving this incredibly annoying problem is to turn off automatic code completion in general (Preferences > Text Editing > Suggest Completions While Typing) and then hit esc whenever I actually do want code completion.