code: def path(self, x, y, f_io=0, hook=None):
      if x == y:
          return []
      if x.component != y.component:
          return None
      # path:
      return x.component.path(x, y, f_io, hook)
  
imports: from typing import List
  from .graphBase import GraphBase
  from graphistry.layout.utils import Poset
  import pandas
label_desc: Use image node_id 17 for calling the Graph obj's underlying member method code with example usage: obj.path(x, y, f_io, hook) and returns: x, list, None