new_contents: import h2o
  import os
  
  from h2o.persist import set_s3_credentials
  
  from tests import pyunit_utils
  from pandas.testing import assert_frame_equal
  
  
  def test_import_parquet_from_s3():
      access_key_id = os.environ['AWS_ACCESS_KEY_ID']
      secret_access_key = os.environ['AWS_SECRET_ACCESS_KEY']
      assert access_key_id is not None
      assert secret_access_key is not None
      set_s3_credentials(access_key_id, secret_access_key)
      
      from_s3 = h2o.import_file("s3://h2o-public-test-data/smalldata/parser/parquet/airlines-simple.snappy.parquet")
      from_local = h2o.import_file(pyunit_utils.locate("smalldata/parser/parquet/airlines-simple.snappy.parquet"))
  
      print(from_s3.summary())
  
      assert from_s3.shape == (24421, 12)
      assert_frame_equal(from_local.as_data_frame(), from_s3.as_data_frame())
  
  
  if __name__ == "__main__":
      pyunit_utils.standalone_test(test_import_parquet_from_s3)
  else:
      test_import_parquet_from_s3()
  
subject: Add python test of importing Parquet files from S3