old_contents: """
      Data handling using Mantid
  """
  class ApplicationConfiguration(object):
      """
          Application-level configuration
      """
      # Polarization states
      POL_STATE = "PolarizerState"
      POL_VETO = "PolarizerVeto"
      ANA_STATE = "AnalyzerState"
      ANA_VETO = "AnalyzerVeto"
  
      def __init__(self):
          self.mantid_path = '/opt/mantid42/bin'
          #self.mantid_path = '/SNS/users/m2d/mantid_build_area/master/bin'
  
new_contents: """
      Data handling using Mantid
  """
  class ApplicationConfiguration(object):
      """
          Application-level configuration
      """
      # Polarization states
      POL_STATE = "PolarizerState"
      POL_VETO = "PolarizerVeto"
      ANA_STATE = "AnalyzerState"
      ANA_VETO = "AnalyzerVeto"
  
      def __init__(self):
          self.mantid_path = '/opt/mantid42'
  
subject: update mantid path