docstr: returns imageData by given imageId
docstr_tok: ["returns","imageData","by","given","imageId"]
code: def getSingleImageDataById(self, imageId: str) -> ImageData:
      """
      returns imageData by given imageId
      """
      if self.isBlank(imageId):
          return None
      if imageId not in self.nameToImageData:
          logging.warning(
              f"{self.getCurrentTime()}: Image data for requested id [{imageId}] not found"
          )
          return None
      return self.nameToImageData[imageId]
  
imports: import datetime
  import logging
  from typing import Dict, List
  from MONAILabelReviewerLib.ImageData import ImageData
  from MONAILabelReviewerLib.MONAILabelReviewerEnum import Level
label_desc: Use image node_id 26 for calling the ImageDataExtractor obj's underlying member method code with example usage: obj.getSingleImageDataById(imageId) and returns: self, None, None