code: def _read_csv_lines(path):
      
      csv_file = open(path, 'r')
      csv_lines_raw = csv_file.readlines()
      csv_lines_clean = [line for line in csv_lines_raw if len(line.strip()) > 0]
      return csv_lines_clean
docs: Opens CSV file `path` and returns list of rows.
      Pass output of this function to `csv.DictReader` for reading data.