Happy to see this hit the front page! If you have any thoughts about how you'd like us to improve Python support in VS Code please let us know.. with the additional resources we're hoping to accelerate the development quite a bit.
If I hit "tab" somewhere besides the beginning of a line, I should get autocomplete options. If it hasn't pondered enough in the background to give me autocomplete options yet, it should unobtrusively tell me so. It should not insert spaces instead.