code: def from_db_value(self, value, expression, connection):
      return from_db(value)
  
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 4 for calling the VectorField obj's underlying member method code with example usage: obj.from_db_value(value, expression, connection) and returns: from_db