code: def log_marker(self, marker: str) -> None:
      for log_path in DEVCLUSTER_LOG_PATH.glob("*.log"):
          with log_path.open("a") as fout:
              fout.write(marker)
  
file_path: determined/e2e_tests/tests/cluster/abstract_cluster.py
imports: import abc
  from pathlib import Path
label_desc: Use image node_id 6 for calling the Cluster obj's underlying member method code with example usage: obj.log_marker(marker) without return types