code: def _add_initial_value(self, data_id, value, initial_dist=0.0,
                             fringe=None, check_cutoff=None, no_call=None):
          nodes, seen, edge_weight = self.nodes, self.seen, self._edge_length
          wf_remove_edge, check_wait_in = self._wf_remove_edge, self.check_wait_in
          wf_add_edge, dsp_in = self._wf_add_edge, self._set_sub_dsp_node_input
          update_view = self._update_meeting
          if fringe is None:
              fringe = self.fringe
          if no_call is None:
              no_call = self.no_call
          check_cutoff = check_cutoff or self.check_cutoff
          if data_id not in nodes:
              return False
          wait_in = nodes[data_id]['wait_inputs']
          index = nodes[data_id]['index']
          wf_add_edge(START, data_id, **value)
          if data_id in self._wildcards:
              self._visited.add(data_id)
              self.workflow.add_node(data_id)
              for w, edge_data in self.dmap[data_id].items():
                  wf_add_edge(data_id, w, **value)
                  node = nodes[w]
                  vw_dist = initial_dist + edge_weight(edge_data, node)
                  update_view(w, vw_dist)
                  if check_cutoff(vw_dist):
                      wf_remove_edge(data_id, w)
                      continue
                  elif node['type'] == 'dispatcher':
                      dsp_in(data_id, w, fringe, check_cutoff, no_call, vw_dist)
                  elif check_wait_in(True, w):
                      continue
                  seen[w] = vw_dist
                  vd = (True, w, self.index + node['index'])
                  heapq.heappush(fringe, (vw_dist, vd, (w, self)))
              return True
          update_view(data_id, initial_dist)
          if check_cutoff(initial_dist):
              wf_remove_edge(START, data_id)
          elif not check_wait_in(wait_in, data_id):
              seen[data_id] = initial_dist
              vd = (wait_in, data_id, self.index + index)
              heapq.heappush(fringe, (initial_dist, vd, (data_id, self)))
              return True
          return False