code: def import_folder():
      multi_file_csv = h2o.import_file(
          path=pyunit_utils.locate(
              "smalldata/parser/hexdev_497/airlines_first_header"
          )
      )
      multi_file_gzip_comp = h2o.import_file(
          path=pyunit_utils.locate(
              "smalldata/parser/hexdev_497/airlines_first_header.zip"
          )
      )
  
      multi_file_gzip_comp.summary()
      zip_summary = h2o.frame(multi_file_gzip_comp.frame_id)["frames"][
          0
      ]["columns"]
  
      multi_file_csv.summary()
      csv_summary = h2o.frame(multi_file_csv.frame_id)["frames"][0][
          "columns"
      ]
      pyunit_utils.compare_frame_summary(zip_summary, csv_summary)
  
label_desc: Use image node_id 1 for calling a global function with example usage: import_folder() without return types