self.start_per_bundle: Dict[str, float] = defaultdict(float)
self.end_per_bundle: Dict[str, float] = defaultdict(float)
self.finished_bundle_timings_per_worker: Dict[
self.start_per_bundle: Dict[str, float] = defaultdict(float)
self.end_per_bundle: Dict[str, float] = defaultdict(float)
self.finished_bundle_timings_per_worker: Dict[