_green_candles(dataframe):         """             evaluates if we are having 0 green candles in a row         :param self:         :param dataframe:         :return:         """         return (                 (dataframe['open'] < dataframe['close']) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0))         )      @staticmethod     def eight_green_candles(dataframe):         """             evaluates if we are having 0 green candles in a row         :param self:         :param dataframe:         :return:         """         return (                 (dataframe['open'] < dataframe['close']) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0)) &                 (dataframe['open'].shift(0) < dataframe['close'].shift(0))         )      @staticmethod     def eight_