code: def parse_csv_headers(dataset_id):
      
      data = Dataset.objects.get(pk=dataset_id)
      with open(data.dataset_file.path, 'r') as datasetFile:
          csvReader = reader(datasetFile, delimiter=',', quotechar='"')
          headers = next(csvReader)
          # print headers
      return headers
docs: Return the first row of a CSV as a list of headers.