code: def __init__(self, dry_run: bool = False) -> None:
      self.dry_run: bool = dry_run
      self._pushd_state: list[str] = []
  
file_path: bokeh/release/system.py
imports: from __future__ import annotations
  import os
  import sys
  from subprocess import PIPE, STDOUT, run
  from typing import Any
  from .logger import LOG
  from .ui import shell
label_desc: Use image node_id 1 to create a new System object  with example: obj = System(dry_run)