code: def __init__(self, d):
      self.uid = d["uid"]
      self.date = d["date"]
      self.time = d["time"]
      self.comments = d["comments"]
      self.patient_name = d["patient_name"]
      self.patient_id = d["patient_id"]
      self.patient_birth_date = d["patient_birth_date"]
      self.patient_sex = d["patient_sex"]
      self.series = None
  
imports: import contextlib
  import getpass
  import logging
  import os
  import sqlite3
  import tempfile
  import warnings
  from io import BytesIO
  from os.path import join
  import numpy
  from nibabel.optpkg import optional_package
  from .nifti1 import Nifti1Header
label_desc: Use image node_id 1 to create a new _Study object  with example: obj = _Study(d)