I don't think it's flowering quite yet. It looks more like it is showing it's sex(pre-flower). But, honestly, I'm growing my first Autoflower right now and it's about as old as this plant is. So, take that with a grain of salt.
Anyway.
It's fine to do low stress training at any point in time, really. Sometimes you have to do a serious branch bend over time, but other than that, get weird with it.
Good luck, growmie.