class_docstr: Dummy normalization strategy.
      
docstr: Implementation of :class:`~maze.core.wrappers.observation_normalization.observation_normalization_strategy.
  ObservationNormalizationStrategy` interface.
docstr_tok: ["Implementation","of",":","class",":","`","~maze.core.wrappers.observation_normalization.observation_normalization_strategy",".","ObservationNormalizationStrategy","`","interface","."]
code: def normalize_value(self, value: np.ndarray) -> np.ndarray:
      """Implementation of :class:`~maze.core.wrappers.observation_normalization.observation_normalization_strategy.
      ObservationNormalizationStrategy` interface.
      """
      return (
          value
          - self._statistics["stat_1"]
          + self._statistics["stat_2"]
      )
  
file_path: maze/maze/test/core/wrappers/observation_normalization/normalization_strategies/dummy_observation_normalization_strategy.py
imports: from typing import List
  import numpy
  from maze.core.annotations import override
  from maze.core.wrappers.observation_normalization.normalization_strategies.base import ObservationNormalizationStrategy, StatisticsType
label_desc: Use image node_id 2 for calling the DummyObservationNormalizationStrategy obj's underlying member method code with example usage: obj.normalize_value(value) and returns: unknown