code: def get_vertex_from_data(self, data):
      if data is None:
          return None
      for v in self.vertices():
          if v.data is not None and str(v.data) == str(data):
              return v
      return None
  
imports: from typing import List
  from .graphBase import GraphBase
  from graphistry.layout.utils import Poset
  import pandas
label_desc: Use image node_id 6 for calling the Graph obj's underlying member method code with example usage: obj.get_vertex_from_data(data) and returns: None, None, v