Trim this fastqSequence in-place by removing <amount> nucleotides from
      the 3' end (right end).

      :param amount: the number of nucleotides to trim from the right-side of
                     this sequence.

def trimRight(self, amount):
    """
      Trim this fastqSequence in-place by removing <amount> nucleotides from
      the 3' end (right end).

      :param amount: the number of nucleotides to trim from the right-side of
                     this sequence.
    """
    if amount == 0:
      return
    self.sequenceData = self.sequenceData[:-amount]
    self.seq_qual = self.seq_qual[:-amount]