code: def __init__(self, flow):
      self.name = flow.__name__
      self.nodes = self._create_nodes(flow)
      self.doc = deindent_docstring(flow.__doc__)
      self._traverse_graph()
      self._postprocess()
  
imports: import inspect
  import ast
  import re
label_desc: Use image node_id 1 to create a new FlowGraph object from inherited base classes: object with example: obj = FlowGraph(flow)