code: def test_output_no_stats():
      with pytest.raises(ValueError):
          print_stats(None)
  
file_path: neon/tests/test_print_stats.py
imports: import numpy
  import pytest
  from neon.benchmark import Benchmark
label_desc: Use image node_id 4 for calling a global function with example usage: test_output_no_stats() without return types