code: def deconstruct(self):
      path, args, kwargs = super().deconstruct()
      if self.lists is not None:
          kwargs["lists"] = self.lists
      return path, args, kwargs
  
imports: from django.contrib.postgres.operations import CreateExtension
  from django.contrib.postgres.indexes import PostgresIndex
  from django.db.models import Field, FloatField, Func, Value
  import numpy
  from .forms import VectorFormField
  from ..utils import from_db, to_db
label_desc: Use image node_id 2 for calling the IvfflatIndex obj's underlying member method code with example usage: obj.deconstruct() and returns: path,  args,  kwargs