text: # Copyright 2017 Battelle Energy Alliance, LLC
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import numpy as np
  
  def evaluate(self):
    """
      This method returns the variable LPI_status
      @ In, None
      @ Out, LPI_status, np.array, LPI system status
    """
    return np.amax(self.LPI_status)
  