code: def list_tokens(opts):
      '''
      List all tokens in the store.
  
      :param opts: Salt master config options
      :returns: List of dicts (token_data)
      '''
      ret = []
      redis_client = _redis_client(opts)
      if not redis_client:
          return []
      serial = salt.payload.Serial(opts)
      try:
          return [k.decode('utf8') for k in redis_client.keys()]
      except Exception as err:
          log.warning('Failed to list keys: %s', err)
          return [f list_tokens(opts):
      '''
      List all tokens in the store.
  
      :param opts: Salt master config options
      :returns: List of dicts (token_data)
      '''
      ret = []
      redis_client = _redis_client(opts)
      if not redis_client:
          return []
      serial = salt.payload.Serial(opts)
      try:
          return [k.decode('utf8') for k in redis_client.keys()]
      except Exception as err:
          log.warning('Failed to list keys: %s', err)
          return []
docs: List all tokens in the store.
  
      :param opts: Salt master config options
      :returns: List of dicts (token_data)