message: contrib: catch bitcoin-cli RPC call errors in getcoins.py
diff: @@ -31,6 +31,10 @@ def bitcoin_cli(rpc_command_and_params):
  except FileNotFoundError:
  print('The binary', args.cmd, 'could not be found.')
  exit()
  + except subprocess.CalledProcessError:
  + cmdline = ' '.join(argv)
  + print(f'-----\nError while calling "{cmdline}" (see output above).')
  + exit()
  if args.faucet.lower() == DEFAULT_GLOBAL_FAUCET:
  