code: def load_series_from_cfg(self):
      exist_series = []
      if os.path.exists(self._serie_cfg_path):
          with open(self._serie_cfg_path, "r") as f:
              fcntl.flock(f.fileno(), fcntl.LOCK_EX)
              for serie in f.readlines():
                  exist_series.append(serie.strip())
      return exist_series
  
file_path: mace/tools/dana/dana_cli.py
imports: import fcntl
  import json
  import os
label_desc: Use image node_id 11 for calling the DanaCli obj's underlying member method code with example usage: obj.load_series_from_cfg() and returns: exist_series