old_contents: def transform_scalars(dataset):
      """Apply a Sobel filter to dataset."""
      """Sobel Filter hgihtlights high intensity variations."""
      
      #----USER SPECIFIED VARIABLES-----#
      ###Filter_AXIS###    #Specify Axis along which to calculate
      #---------------------------------#
  
      from tomviz import utils
      import numpy as np
      import scipy.ndimage
  
      array = utils.get_array(dataset)
  
      # transform the dataset
      result = scipy.ndimage.filters.sobel(array,axis=-Filter_AXIS)
      
      # set the result as the new scalars.
      utils.set_array(dataset, result)
      
new_contents: def transform_scalars(dataset):
      """Apply a Sobel filter to dataset."""
      """Sobel Filter hgihlights high intensity variations."""
      
      #----USER SPECIFIED VARIABLES-----#
      ###Filter_AXIS###    #Specify Axis along which to calculate
      #---------------------------------#
  
      from tomviz import utils
      import numpy as np
      import scipy.ndimage
  
      array = utils.get_array(dataset)
  
      # transform the dataset
      result = scipy.ndimage.filters.sobel(array,axis=-Filter_AXIS)
      
      # set the result as the new scalars.
      utils.set_array(dataset, result)
      
subject: Fix a typo