content: #  Copyright (c) ZenML GmbH 2021. All Rights Reserved.
  #  Licensed under the Apache License, Version 2.0 (the "License");
  #  you may not use this file except in compliance with the License.
  #  You may obtain a copy of the License at:
  #
  #       http://www.apache.org/licenses/LICENSE-2.0
  #
  #  Unless required by applicable law or agreed to in writing, software
  #  distributed under the License is distributed on an "AS IS" BASIS,
  #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  #  or implied. See the License for the specific language governing
  #  permissions and limitations under the License.
  import json
  from typing import Tuple
  
  from typing_extensions import Annotated
  
  from zenml import step
  
  
  @step
  def text_analyzer(
      report: str,
  ) -> Tuple[
      Annotated[int, "ref_missing_values"],
      Annotated[int, "comp_missing_values"],
  ]:
      """Analyze the Evidently text Report and return the number of missing
      values in the reference and comparison datasets.
      """
      result = json.loads(report)["metrics"][0]["result"]
      return (
          result["current"]["number_of_missing_values"],
          result["reference"]["number_of_missing_values"],
      )
  