old_contents: class Event:
      source = None
      event = None
      data = None
  
      def __init__(self, source, event, data=None):
          self.source = source
          self.event = event
          self.data = data
  
  
  SOURCE_OTHER = 0
  SOURCE_GUI = 1
  SOURCE_RUBIK = 2
  SOURCE_SIMON = 3
  SOURCE_GEARS = 4
  
  EVENT_DEFAULT = 0
  EVENT_BUTTON1 = 1
  EVENT_BUTTON2 = 2
  EVENT_BUTTON3 = 3
  EVENT_BUTTON4 = 4
  EVENT_BUTTON5 = 5
  EVENT_CUBE_LIFT = 6
  EVENT_CUBE_SET = 7
  EVENT_SUCCESS = 8
  EVENT_FAILURE = 9
  EVENT_BUTTON_RESET = -1
  
  EVENT_STRINGS = {
      EVENT_DEFAULT: "DEFAULT",
      EVENT_BUTTON1: "BUTTON1",
      EVENT_BUTTON2: "BUTTON2",
      EVENT_BUTTON3: "BUTTON3",
      EVENT_BUTTON4: "BUTTON4",
      EVENT_BUTTON5: "BUTTON5",
      EVENT_CUBE_LIFT: "CUBE LIFT",
      EVENT_CUBE_SET: "CUBE SET",
      EVENT_SUCCESS: "SUCCESS",
      EVENT_FAILURE: "FAILURE",
      EVENT_BUTTON_RESET: "RESET"
  }
  
new_contents: class Event:
      def __init__(self, source, event, data=None):
          self.source = source
          self.event = event
          self.data = data
  
  
  SOURCE_OTHER = 0
  SOURCE_GUI = 1
  SOURCE_RUBIK = 2
  SOURCE_SIMON = 3
  SOURCE_GEARS = 4
  
  EVENT_DEFAULT = 0
  EVENT_BUTTON1 = 1
  EVENT_BUTTON2 = 2
  EVENT_BUTTON3 = 3
  EVENT_BUTTON4 = 4
  EVENT_BUTTON5 = 5
  EVENT_CUBE_LIFT = 6
  EVENT_CUBE_SET = 7
  EVENT_SUCCESS = 8
  EVENT_FAILURE = 9
  EVENT_BUTTON_RESET = -1
  
  EVENT_STRINGS = {
      EVENT_DEFAULT: "DEFAULT",
      EVENT_BUTTON1: "BUTTON1",
      EVENT_BUTTON2: "BUTTON2",
      EVENT_BUTTON3: "BUTTON3",
      EVENT_BUTTON4: "BUTTON4",
      EVENT_BUTTON5: "BUTTON5",
      EVENT_CUBE_LIFT: "CUBE LIFT",
      EVENT_CUBE_SET: "CUBE SET",
      EVENT_SUCCESS: "SUCCESS",
      EVENT_FAILURE: "FAILURE",
      EVENT_BUTTON_RESET: "RESET"
  }
  
subject: Fix Event class instance variables