class_docstr: Abstract class which holds the fit result of ReconstModel
  
  For example that could be holding FA or GFA etc.
class_docstr_tok: ["Abstract","class","which","holds","the","fit","result","of","ReconstModel","For","example","that","could","be","holding","FA","or","GFA","etc","."]
code: def __init__(self, model, data):
      self.model = model
      self.data = data
  
label_desc: Use image node_id 1 to create a new ReconstFit object  with example: obj = ReconstFit(model, data)