bls credential validation crash

staking_cli_not_hex_crash.txt

user@laptop:~/repos/infosecual/staking-deposit-cli$ ./deposit.sh generate-bls-to-execution-change 
linux-gnu
Running deposit-cli...

***Using the tool on an offline and secure device is highly recommended to keep your mnemonic safe.***

Please choose your language ['1. العربية', '2. ελληνικά', '3. English', '4. Français', '5. Bahasa melayu', '6. Italiano', '7. 日本語', '8. 한국어', '9. Português do Brasil', '10. român', '11. Türkçe', '12. 简体中文']:  [English]: 3
Please choose the (mainnet or testnet) network/chain name ['mainnet', 'goerli', 'sepolia', 'zhejiang']:  [mainnet]: 
Please enter your mnemonic separated by spaces (" "). Note: you only need to enter the first 4 letters of each word if you'd prefer.: never ski use pet common nose pipe assault cloth renew cement save avoid wing attract news bid priority dash replace shield pair candy smile
Please enter the index position for the keys to start generating withdrawal credentials in ERC-2334 format. [0]: 
Please enter a list of the validator index number(s) of your validator(s) as identified on the beacon chain. Split multiple items with whitespaces or commas.: never ski use pet common nose pipe assault cloth renew cement s1,2,3,4,5,6,7,8,9,10                                                         
Please enter a list of the old BLS withdrawal credentials of your validator(s). Split multiple items with whitespaces or commas.: 1,2,3,4,5,6,7,8,9,10
Traceback (most recent call last):
  File "/home/user/repos/infosecual/staking-deposit-cli/./staking_deposit/deposit.py", line 63, in <module>
    cli()
  File "/home/user/.local/lib/python3.10/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/home/user/.local/lib/python3.10/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/home/user/.local/lib/python3.10/site-packages/click/core.py", line 1257, in invoke
    sub_ctx = cmd.make_context(cmd_name, args, parent=ctx)
  File "/home/user/.local/lib/python3.10/site-packages/click/core.py", line 700, in make_context
    self.parse_args(ctx, args)
  File "/home/user/.local/lib/python3.10/site-packages/click/core.py", line 1048, in parse_args
    value, args = param.handle_parse_result(ctx, opts, args)
  File "/home/user/.local/lib/python3.10/site-packages/click/core.py", line 1630, in handle_parse_result
    value = invoke_param_callback(self.callback, ctx, self, value)
  File "/home/user/.local/lib/python3.10/site-packages/click/core.py", line 123, in invoke_param_callback
    return callback(ctx, param, value)
  File "/usr/local/lib/python3.10/dist-packages/staking_deposit-2.4.0-py3.10.egg/staking_deposit/utils/click.py", line 99, in callback
    processed_input = processing_func(user_input)
  File "/usr/local/lib/python3.10/dist-packages/staking_deposit-2.4.0-py3.10.egg/staking_deposit/cli/generate_bls_to_execution_change.py", line 104, in <lambda>
    validate_bls_withdrawal_credentials_list(bls_withdrawal_credentials_list),
  File "/usr/local/lib/python3.10/dist-packages/staking_deposit-2.4.0-py3.10.egg/staking_deposit/utils/validation.py", line 248, in validate_bls_withdrawal_credentials_list
    return [validate_bls_withdrawal_credentials(cred) for cred in bls_withdrawal_credentials_list]
  File "/usr/local/lib/python3.10/dist-packages/staking_deposit-2.4.0-py3.10.egg/staking_deposit/utils/validation.py", line 248, in <listcomp>
    return [validate_bls_withdrawal_credentials(cred) for cred in bls_withdrawal_credentials_list]
  File "/usr/local/lib/python3.10/dist-packages/staking_deposit-2.4.0-py3.10.egg/staking_deposit/utils/validation.py", line 226, in validate_bls_withdrawal_credentials
    bls_withdrawal_credentials_bytes = normalize_bls_withdrawal_credentials_to_bytes(bls_withdrawal_credentials)
  File "/usr/local/lib/python3.10/dist-packages/staking_deposit-2.4.0-py3.10.egg/staking_deposit/utils/validation.py", line 213, in normalize_bls_withdrawal_credentials_to_bytes
    bls_withdrawal_credentials_bytes = bytes.fromhex(bls_withdrawal_credentials)
ValueError: non-hexadecimal number found in fromhex() arg at position 1