Is that, like, a rule
you've made for yourself going forward?
Or was it just an experimental one-time discipline to break up what you feared might be bad habits?
If the former, my rule is, um, no rules.
If the latter, well, I'd try powering through just to see what you learn about yourself. If inspiration isn't forthcoming, prod it by finding some 'personal interest' type story from old newspapers or such, or maybe even an historical figure, that seems intriguing.
Another time-honored tradition is rewriting a classic story or myth. That tactic has generated a wealth of output. The time-tested classics can be done and redone. And when you recast Hamlet as a system analyst with a moral/existential dilemma or Odysseus as a long haul trucker you not only inherit a number of interesting ways to play with -- and against
-- the original story, but, with a little luck, you look more
hip and literate when the armchair crits recognize the archetypal shapes swimming beneath the surface of your story...