class_docstr: Use file system to manage objects
class_docstr_tok: ["Use","file","system","to","manage","objects"]
code: def remove(self, fname=None):
      if fname is None:
          for fp in self.path.glob("*"):
              fp.unlink()
          self.path.rmdir()
      else:
          (self.path / fname).unlink()
  
imports: import os
  import pickle
  import tempfile
  from pathlib import Path
  from qlib.config import C
label_desc: Use image node_id 8 for calling the FileManager obj's underlying member method code with example usage: obj.remove(fname) without return types