old_contents: #!/usr/bin/python
  """Process the output of the power allocator's PI controller in the current directory's trace.dat"""
  
  import pandas as pd
  from thermal import BaseThermal
  
  class PIController(BaseThermal):
      def __init__(self, path=None):
          super(PIController, self).__init__(
              basepath=path,
              unique_word="thermal_power_allocator_pi",
          )
  
new_contents: #!/usr/bin/python
  """Process the output of the power allocator's PI controller in the
  current directory's trace.dat"""
  
  from thermal import BaseThermal
  
  class PIController(BaseThermal):
      """Process the power allocator PI controller data in a ftrace dump"""
      def __init__(self, path=None):
          super(PIController, self).__init__(
              basepath=path,
              unique_word="thermal_power_allocator_pi",
          )
  
subject: fix pylint complaints