code: def main(cmd: code_writer_cmd) -> None:
      for path in [functions_py, test_functions_py]:
          destination_path = path
          tempfile = process_functions(destination_path, cmd)
          cmd.run_zimports(tempfile)
          cmd.run_black(tempfile)
          cmd.write_output_file_from_tempfile(
              tempfile, destination_path
          )
  
file_path: sqlalchemy/tools/generate_sql_functions.py
imports: from __future__ import annotations
  import inspect
  import re
  from tempfile import NamedTemporaryFile
  import textwrap
  from sqlalchemy.sql.functions import _registry
  from sqlalchemy.sql.functions import ReturnTypeFromArgs
  from sqlalchemy.types import TypeEngine
  from sqlalchemy.util.tool_support import code_writer_cmd
label_desc: Use image node_id 3 for calling a global function with example usage: main(cmd) without return types