(self, block_id)
return None
Get a single node from node key.

        :param BlockID block_id: Block ID of the node.
        :return:                 The CFGNode
        :rtype:                  CFGNode
Get a single node from node key.
Get a single node from node key .
def get_node(self, block_id):
        """
        Get a single node from node key.

        :param BlockID block_id: Block ID of the node.
        :return:                 The CFGNode
        :rtype:                  CFGNode
        """
        if block_id in self._nodes:
            return self._nodes[block_id]
        return None
def get_node ( self , block_id ) : if block_id in self . _nodes : return self . _nodes [ block_id ] return None