code: def reset(self):
          
          if self.parallel:
              from pyannote.metrics import manager_
              self.accumulated_ = manager_.dict()
              self.results_ = manager_.list()
              self.uris_ = manager_.dict()
          else:
              self.accumulated_ = dict()
              self.results_ = list()
              self.uris_ = dict()
          for value in self.components_:
              self.accumulated_[value] = 0.
docs: Reset accumulated components and metric values