code: def input_uniform_2d_3ch_flattened():
      return np.random.uniform(0, 0.1, size=(3, 224, 224)).flatten()
  
imports: import pytest
  from pytest_lazyfixture import lazy_fixture
  from quantus.helpers import utils
  from quantus.functions.perturb_func import *
label_desc: Use image node_id 6 for calling a global function with example usage: input_uniform_2d_3ch_flattened() and returns: np