code: def plugin_func_physical_none(physical_line):
      """Expect report from a physical_line. No results."""
      return None
  
imports: from __future__ import annotations
  import importlib.metadata
  import sys
  from unittest import mock
  import pytest
  from flake8 import checker
  from flake8.plugins import finder
  from flake8.processor import FileProcessor
label_desc: Use image node_id 4 for calling a global function with example usage: plugin_func_physical_none(physical_line) and returns: None