code: def test_update_code(self):
      code = self.dal.code.create(Code(self.code_input_dict))
  
      # Update required and optional parameters
      updated_code_input_dict = self.code_input_dict.copy()
      updated_code_input_dict["id"] = code.id
      updated_code_input_dict["driver_type"] = "new_driver"
      updated_code_input_dict["created_at"] = datetime.utcnow()
      updated_code = self.dal.code.update(updated_code_input_dict)
      assert code.id == updated_code.id
      assert code.updated_at < updated_code.updated_at
      assert (
          updated_code.driver_type
          == updated_code_input_dict["driver_type"]
      )
      assert (
          updated_code.created_at
          == updated_code_input_dict["created_at"]
      )
  
imports: from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import os
  import tempfile
  import platform
  from datetime import datetime
  from datmo.core.storage.driver.blitzdb_dal_driver import BlitzDBDALDriver
  from datmo.core.storage.local.dal import LocalDAL
  from datmo.core.entity.model import Model
  from datmo.core.entity.code import Code
  from datmo.core.util.exceptions import EntityNotFound
label_desc: Use image node_id 7 for calling the TestLocalDAL obj's underlying member method code with example usage: obj.test_update_code() without return types