text: from app.puppenc import ma
  from app.nodes.models import Node
  
  class NodeSchema(ma.ModelSchema):
      class Meta:
          model = Node
          # Fields to expose
          fields = (
              'id',
              'name',
              'insert_date',
              'update_date',
              'delete_date',
              'hostgroup_id',
              'environment_id',
              'active',
              'last_used',
              'nodes_var'
          )
  