code: def parse_qc(self, qc_file):
          
          import pandas as pd
          series = pd.Series()
          try:
              with open(qc_file) as handle:
                  line = handle.readlines()[0].strip().split("\t")  # list of strings per line
              series["NSC"] = line[-3]
              series["RSC"] = line[-2]
              series["qualityTag"] = line[-1]
          except:
              pass
          return series
docs: Parse phantompeakqualtools (spp) QC table and return quality metrics.
  
          :param str qc_file: Path to phantompeakqualtools output file, which
              contains sample quality measurements.