code: def get_edge_data(self, from_node, to_node):
      self._check_node_in_graph(from_node)
      self._check_node_in_graph(to_node)
      return self._successors[from_node][to_node]
  
file_path: baikal/baikal/_core/digraph.py
imports: from collections import deque, defaultdict, OrderedDict
label_desc: Use image node_id 4 for calling the DiGraph obj's underlying member method code with example usage: obj.get_edge_data(from_node, to_node) and returns: self