class_docstr: Dummy action to MazeAction.
  
  Both states and observations are represented by integers. Observation equals double of the state.
  
  Note: Observation are wrapped in a dict to comply with the dict space requirement.
docstr: Numbers up to 1000 are allowed.
docstr_tok: ["Numbers","up","to","1000","are","allowed","."]
code: def space(self):
      """Numbers up to 1000 are allowed."""
      return gym.spaces.Dict({"observation": gym.spaces.Discrete(1000)})
  
file_path: maze/maze/test/shared_test_utils/dummy_env/space_interfaces/observation_conversion/double.py
imports: from typing import Dict
  import gym
  from maze.core.env.observation_conversion import ObservationConversionInterface
label_desc: Use image node_id 1 for calling the DoubleObservationConversion obj's underlying member method code with example usage: obj.space() and returns: gym