code: def __init__(self, username, password) -> None:
      self.username = username
      self.password = password
      self.env = {}
  
file_path: mlflow/examples/auth/auth.py
imports: import os
  import uuid
  import mlflow.server
label_desc: Use image node_id 1 to create a new User object  with example: obj = User(username, password)