code: def poll(self, pattern: str) -> Optional[str]:
      return self._rpc_client.run_instruction(
          self._hash, self._handler, "poll", (pattern,)
      )
  
file_path: aim/aim/sdk/remote_run_reporter.py
imports: from aim.ext.transport.remote_resource import RemoteResourceAutoClean
  from aim.ext.transport.message_utils import pack_args
  from aim.storage.treeutils import encode_tree
  from aim.sdk.reporter.file_manager import FileManager
  from typing import Optional, TYPE_CHECKING
label_desc: Use image node_id 2 for calling the RemoteFileManager obj's underlying member method code with example usage: obj.poll(pattern) and returns: self