prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Release 2.1.142
  On the docket:
  + [x] KeyError when locking awscli on Python 3.11 #2211
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `pex/version.py`
  Content:
  ```
  1 # Copyright 2015 Pants project contributors (see CONTRIBUTORS.md).
  2 # Licensed under the Apache License, Version 2.0 (see LICENSE).
  3 
  4 __version__ = "2.1.141"
  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/pex/version.py b/pex/version.py
  --- a/pex/version.py
  +++ b/pex/version.py
  @@ -1,4 +1,4 @@
   # Copyright 2015 Pants project contributors (see CONTRIBUTORS.md).
   # Licensed under the Apache License, Version 2.0 (see LICENSE).
   
  -__version__ = "2.1.141"
  +__version__ = "2.1.142"
  
verification_info: {"golden_diff": "diff --git a/pex/version.py b/pex/version.py\n--- a/pex/version.py\n+++ b/pex/version.py\n@@ -1,4 +1,4 @@\n # Copyright 2015 Pants project contributors (see CONTRIBUTORS.md).\n # Licensed under the Apache License, Version 2.0 (see LICENSE).\n \n-__version__ = \"2.1.141\"\n+__version__ = \"2.1.142\"\n", "issue": "Release 2.1.142\nOn the docket:\r\n+ [x] KeyError when locking awscli on Python 3.11 #2211\r\n\n", "before_files": [{"content": "# Copyright 2015 Pants project contributors (see CONTRIBUTORS.md).\n# Licensed under the Apache License, Version 2.0 (see LICENSE).\n\n__version__ = \"2.1.141\"\n", "path": "pex/version.py"}], "after_files": [{"content": "# Copyright 2015 Pants project contributors (see CONTRIBUTORS.md).\n# Licensed under the Apache License, Version 2.0 (see LICENSE).\n\n__version__ = \"2.1.142\"\n", "path": "pex/version.py"}]}