parameters: (self, start_time=None, end_time=None)
return_statement: return self.data_service.get_line(start_time, end_time)
docstring: get raw data
          :param start_time:
          :param end_time:
          :return: [(timestamp, value, label)]
docstring_summary: get raw data
          :param start_time:
          :param end_time:
          :return: [(timestamp, value, label)]
docstring_tokens: get raw data : param start_time : : param end_time : : return : [ ( timestamp value label ) ]
function: def get_data(self, start_time=None, end_time=None):
          """
          get raw data
          :param start_time:
          :param end_time:
          :return: [(timestamp, value, label)]
          """
          return self.data_service.get_line(start_time, end_time)
function_tokens: def get_data ( self , start_time = None , end_time = None ) : return self . data_service . get_line ( start_time , end_time )