code: def check_transaction(self, tx_hash):
      if "ropsten" in ETH_REMOTE_NODE:
          etherscan = "https://ropsten.etherscan.io/tx/"
      elif "rinkeby" in ETH_REMOTE_NODE:
          etherscan = "https://rinkeby.etherscan.io/tx/"
      else:
          etherscan = "https://etherscan.io/tx/"
      etherscan = "{}{}".format(etherscan, tx_hash)
  
      print(
          "\nYou can check the outcome of your transaction here:\n"
          "{}\n\n".format(etherscan)
      )
  
imports: from __future__ import print_function
  import glob
  import json
  import os
  import re
  import shutil
  import sys
  import time
  import webbrowser
  import bcolz
  import logbook
  import pandas
  import requests
  from requests_toolbelt import MultipartDecoder
  from requests_toolbelt.multipart.decoder import NonMultipartContentTypeException
  from catalyst.constants import LOG_LEVEL, AUTH_SERVER, ETH_REMOTE_NODE, MARKETPLACE_CONTRACT, MARKETPLACE_CONTRACT_ABI, ENIGMA_CONTRACT, ENIGMA_CONTRACT_ABI, TERMS_AND_CONDITIONS
  from catalyst.exchange.utils.stats_utils import set_print_settings
  from catalyst.marketplace.marketplace_errors import MarketplaceDatasetNotFound, MarketplaceNoAddressMatch, MarketplaceHTTPRequest, MarketplaceNoCSVFiles, MarketplaceRequiresPython3
  from catalyst.marketplace.utils.auth_utils import get_key_secret, get_signed_headers
  from catalyst.marketplace.utils.eth_utils import bin_hex, from_grains, to_grains
  from catalyst.marketplace.utils.path_utils import get_bundle_folder, get_data_source_folder, get_marketplace_folder, get_user_pubaddr, get_temp_bundles_folder, extract_bundle, save_user_pubaddr
  from catalyst.utils.paths import ensure_directory
label_desc: Use image node_id 5 for calling the Marketplace obj's underlying member method code with example usage: obj.check_transaction(tx_hash) without return types