class_docstr: Context manager for changing the current working directory
class_docstr_tok: ["Context","manager","for","changing","the","current","working","directory"]
code: def __init__(self, newPath):
      self.newPath = os.path.expanduser(newPath)
  
file_path: PGL/examples/kddcup2021/PCQM4M/features/obabel_utils.py
imports: import os
  from rdkit import Chem
label_desc: Use image node_id 1 to create a new CD object  with example: obj = CD(newPath)