code: def __init__(
      self,
      namespaces: Dict[str, Dict[str, str]],
      *,
      skip: Optional[Iterable[str]] = None,
  ):
      self.skip = set(skip) if skip is not None else set()
      self.variables = {
          f"{ns}.{k}": v
          for ns in namespaces
          for k, v in namespaces[ns].items()
      }
  
file_path: dstack/src/dstack/_internal/utils/interpolator.py
imports: import string
  from typing import Dict, Iterable, List, Optional, Tuple, Union
label_desc: Use image node_id 1 to create a new VariablesInterpolator object  with example: obj = VariablesInterpolator(namespaces)