prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Exit status is always 0 when started as a Python module
  When started as `python -m codespell_lib` codespell always exits with 0.
  
  Is it intentional?
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `codespell_lib/__main__.py`
  Content:
  ```
  1 from ._codespell import _script_main
  2 
  3 if __name__ == "__main__":
  4     _script_main()
  5
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/codespell_lib/__main__.py b/codespell_lib/__main__.py
  --- a/codespell_lib/__main__.py
  +++ b/codespell_lib/__main__.py
  @@ -1,4 +1,6 @@
  +import sys
  +
   from ._codespell import _script_main
   
   if __name__ == "__main__":
  -    _script_main()
  +    sys.exit(_script_main())
  
verification_info: {"golden_diff": "diff --git a/codespell_lib/__main__.py b/codespell_lib/__main__.py\n--- a/codespell_lib/__main__.py\n+++ b/codespell_lib/__main__.py\n@@ -1,4 +1,6 @@\n+import sys\n+\n from ._codespell import _script_main\n \n if __name__ == \"__main__\":\n-    _script_main()\n+    sys.exit(_script_main())\n", "issue": "Exit status is always 0 when started as a Python module\nWhen started as `python -m codespell_lib` codespell always exits with 0.\r\n\r\nIs it intentional?\r\n\n", "before_files": [{"content": "from ._codespell import _script_main\n\nif __name__ == \"__main__\":\n    _script_main()\n", "path": "codespell_lib/__main__.py"}], "after_files": [{"content": "import sys\n\nfrom ._codespell import _script_main\n\nif __name__ == \"__main__\":\n    sys.exit(_script_main())\n", "path": "codespell_lib/__main__.py"}]}