class_docstr: Runtime config, passed by contextvars
class_docstr_tok: ["Runtime","config",",","passed","by","contextvars"]
code: def __init__(self, sys_conf=None, acc=None):
      self._sys_config = sys_conf
      self._accelerator = acc
  
file_path: towhee/towhee/runtime/runtime_conf.py
imports: import contextvars
  import contextlib
  import functools
label_desc: Use image node_id 1 to create a new RuntimeConf object  with example: obj = RuntimeConf(sys_conf, acc)