code: def get_interpolator():
      return VariablesInterpolator(
          {"run": {"args": "qwerty"}}, skip=["secrets"]
      )
  
file_path: dstack/src/tests/_internal/utils/test_interpolator.py
imports: import pytest
  from dstack._internal.utils.interpolator import VariablesInterpolator
label_desc: Use image node_id 1 for calling a global function with example usage: get_interpolator() and returns: VariablesInterpolator