old_contents: from steem.utils import env_unlocked, parse_time
  from steem.wallet import Wallet
  from steembase.account import PrivateKey
  from steembase.storage import (
      configStorage,
      MasterPassword,
  )
  from datetime import datetime as dt
  
  
  def generate_signing_key():
      """Generate a new random signing key-pair."""
      pk = PrivateKey()
      return pk, pk.pubkey
  
  
  def unlock_steempy_wallet():
      """ Unlock steempy wallet from cli input. """
      wallet = Wallet()
      if MasterPassword.config_key in configStorage:
          if not env_unlocked() and not Wallet.masterpassword:
              pwd = wallet.getPassword(text='BIP38 Wallet Password: ')
              Wallet.masterpassword = MasterPassword(pwd).decrypted_master
              if wallet.locked():
                  print('No Wallet password. Quitting.')
                  quit(1)
      else:
          print('steempy wallet does not exist.'
                'Please import your active key before publishing feeds.')
          quit(1)
  
  
  def head_block_lag(steemd_instance) -> int:
      """ Return age of head block (in seconds)."""
      s = steemd_instance
      head_block = s.get_block_header(s.head_block_number)
      head_block_time = parse_time(head_block['timestamp'])
      return (dt.utcnow() - head_block_time).seconds
  
  
  def wait_for_healthy_node(steem, blocks=100):
      while head_block_lag(steem) > blocks:
          print("RPC Node %s is unhealthy. Skipping..." % steem.hostname)
          steem.next_node()
  
new_contents: from steem.utils import env_unlocked, parse_time
  from steem.wallet import Wallet
  from steembase.account import PrivateKey
  from steembase.storage import (
      configStorage,
      MasterPassword,
  )
  from datetime import datetime as dt
  
  
  def generate_signing_key():
      """Generate a new random signing key-pair."""
      pk = PrivateKey()
      return pk, pk.pubkey
  
  
  def unlock_steempy_wallet():
      """ Unlock steempy wallet from cli input. """
      wallet = Wallet()
      if MasterPassword.config_key in configStorage:
          if not env_unlocked() and not Wallet.masterpassword:
              pwd = wallet.getPassword(text='BIP38 Wallet Password: ')
              Wallet.masterpassword = MasterPassword(pwd).decrypted_master
              if wallet.locked():
                  print('No Wallet password. Quitting.')
                  quit(1)
      else:
          print('steempy wallet does not exist.'
                'Please import your active key before publishing feeds.')
          quit(1)
  
  
  def head_block_lag(steemd_instance) -> int:
      """ Return age of head block (in seconds)."""
      s = steemd_instance
      head_block = s.get_block_header(s.head_block_number)
      head_block_time = parse_time(head_block['timestamp'])
      return (dt.utcnow() - head_block_time).seconds
  
  
  def wait_for_healthy_node(steem, seconds=120):
      while head_block_lag(steem) > seconds:
          print("RPC Node %s is unhealthy. Skipping..." % steem.hostname)
          steem.next_node()
  
subject: Fix an argument name