code: def _histogram_data(iterator):
      
      histogram_started = False
      header_passed = False
      for l in iterator:
          if '## HISTOGRAM' in l:
              histogram_started = True
          elif histogram_started:
              if header_passed:
                  values = l.rstrip().split("\t")
                  problem_type, name = values[0].split(':')
                  yield problem_type, name, int(values[1])
              elif l.startswith('Error Type'):
                  header_passed = True
docs: Yields only the row contents that contain the histogram entries