code: def clear_sqlmodel():
      # Clear the tables in the metadata for the default base model
      SQLModel.metadata.clear()
      # Clear the Models associated with the registry, to avoid warnings
      default_registry.dispose()
      yield
      SQLModel.metadata.clear()
      default_registry.dispose()
  
file_path: sqlmodel/tests/conftest.py
imports: import shutil
  import subprocess
  import sys
  from pathlib import Path
  from typing import Any, Callable, Dict, List, Union
  import pytest
  from pydantic import BaseModel
  from sqlmodel import SQLModel
  from sqlmodel._compat import IS_PYDANTIC_V2
  from sqlmodel.main import default_registry
label_desc: Use image node_id 1 for calling a global function with example usage: clear_sqlmodel() without return types