code: def main(argv: Optional[Sequence[str]] = None) -> None:
      parser = argparse.ArgumentParser()
      parser.add_argument("paths", nargs="*")
      parser.add_argument("--replace", action="store_true")
      args = parser.parse_args(argv)
  
      for path in args.paths:
          with open(path, encoding="utf-8") as fd:
              content = fd.read()
          new_content = check_for_inconsistent_pandas_namespace(
              content, path, replace=args.replace
          )
          if not args.replace or new_content is None:
              continue
          with open(path, "w", encoding="utf-8") as fd:
              fd.write(new_content)
  
file_path: pandas/scripts/check_for_inconsistent_pandas_namespace.py
imports: import argparse
  import ast
  from collections.abc import MutableMapping, Sequence
  import sys
  from typing import NamedTuple, Optional
label_desc: Use image node_id 3 for calling a global function with example usage: main(argv) without return types