new_contents: from mnemonic import Mnemonic
  from pycoin.key.BIP32Node import BIP32Node
  import binascii
  
  EW_DERIVATION = 4544288
  
  mnemo = Mnemonic('english')
  entropy_from_pass = mnemo.to_entropy('your passphrase')
  entropy_hex = binascii.hexlify(entropy_from_pass)
  print(entropy_hex)  # save this in conf
  
  ######
  
  entropy = binascii.unhexlify(entropy_hex)
  master = BIP32Node.from_master_secret(entropy, 'BTC')
  print("master address=" + master.address())
  
  alias = master.subkey(i=EW_DERIVATION, is_hardened=True).subkey(i=0, is_hardened=True).subkey(i=0, is_hardened=True).subkey(i=0, is_hardened=False).subkey(i=0, is_hardened=False)
  print("alias address=" + alias.address())
  
  
subject: use hex instead of mnemonic example