code: def run_incremental(components=None, broker=None):
      
      for graph, _broker in generate_incremental(components, broker):
          yield run(graph, broker=_broker)
docs: Executes components in an order that satisfies their dependency
      relationships. Disjoint subgraphs are executed one at a time and a broker
      containing the results for each is yielded. If a broker is passed here, its
      instances are used to seed the broker used to hold state for each sub
      graph.
  
      Keyword Args:
          components: Can be one of a dependency graph, a single component, a
              component group, or a component type. If it's anything other than a
              dependency graph, the appropriate graph is built for you and before
              evaluation.
          broker (Broker): Optionally pass a broker to use for evaluation. One is
              created by default, but it's often useful to seed a broker with an
              initial dependency.
      Yields:
          Broker: the broker used to evaluate each subgraph.