code: def test_conform_output_not_used():
      """If neither args passed, don't do anything"""
      assert "some input" == conform_output_dummy("some input")
  
imports: import pytest
  import numpy
  from impyute.imputation.cs import mean
  from impyute.ops import error
  from impyute.ops import wrapper
label_desc: Use image node_id 13 for calling a global function with example usage: test_conform_output_not_used() without return types