code: def ismap(x):
      if not isinstance(x, torch.Tensor):
          return False
      return (len(x.shape) == 4) and (x.shape[1] > 3)
  
imports: import functools
  import importlib
  import os
  from functools import partial
  from inspect import isfunction
  import fsspec
  import numpy
  import torch
  from PIL import Image, ImageDraw, ImageFont
  from safetensors.torch import load_file
label_desc: Use image node_id 9 for calling a global function with example usage: ismap(x) and returns: unknown, False