code: def generate_noise(
      fn,  # Dummy argument so it works with `DataBlock`
      size=100,  # Size of returned noise vector
  ) -> InvisibleTensor:
      "Generate noise vector."
      return cast(torch.randn(size), InvisibleTensor)
  
imports: from __future__ import annotations
  from ..basics import *
  from .all import *
label_desc: Use image node_id 8 for calling a global function with example usage: generate_noise(fn, size) and returns: cast