prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Release 1.4.8
  User facing issues on the docket:
  + non-zip_safe pex extraction has a race on renaming #557
  + Execute pex archive at runtime with -m parameter #547
  + OSX's python 2.7.10 interpreter reports a bad local platform, bdists fail to resolve #523 
  + `pex.resolver.resolve` does the wrong thing when given an `interpreter` and no `platform` #511
  + [Errno 13] Permission denied when executing with bdist_pex #570
  
  
  --- 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__ = '1.4.7'
  5 
  6 # Versions 34.0.0 through 35.0.2 (last pre-36.0.0) de-vendored dependencies which causes problems
  7 # for pex code so we exclude that range.
  8 SETUPTOOLS_REQUIREMENT = 'setuptools>=20.3,<41,!=34.*,!=35.*'
  9 
  10 WHEEL_REQUIREMENT = 'wheel>=0.26.0,<0.32'
  11
  ```
  --- 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
  @@ -1,7 +1,7 @@
   # Copyright 2015 Pants project contributors (see CONTRIBUTORS.md).
   # Licensed under the Apache License, Version 2.0 (see LICENSE).
   
  -__version__ = '1.4.7'
  +__version__ = '1.4.8'
   
   # Versions 34.0.0 through 35.0.2 (last pre-36.0.0) de-vendored dependencies which causes problems
   # for pex code so we exclude that range.
  
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@@ -1,7 +1,7 @@\n # Copyright 2015 Pants project contributors (see CONTRIBUTORS.md).\n # Licensed under the Apache License, Version 2.0 (see LICENSE).\n \n-__version__ = '1.4.7'\n+__version__ = '1.4.8'\n \n # Versions 34.0.0 through 35.0.2 (last pre-36.0.0) de-vendored dependencies which causes problems\n # for pex code so we exclude that range.\n", "issue": "Release 1.4.8\nUser facing issues on the docket:\r\n+ non-zip_safe pex extraction has a race on renaming #557\r\n+ Execute pex archive at runtime with -m parameter #547\r\n+ OSX's python 2.7.10 interpreter reports a bad local platform, bdists fail to resolve #523 \r\n+ `pex.resolver.resolve` does the wrong thing when given an `interpreter` and no `platform` #511\r\n+ [Errno 13] Permission denied when executing with bdist_pex #570\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__ = '1.4.7'\n\n# Versions 34.0.0 through 35.0.2 (last pre-36.0.0) de-vendored dependencies which causes problems\n# for pex code so we exclude that range.\nSETUPTOOLS_REQUIREMENT = 'setuptools>=20.3,<41,!=34.*,!=35.*'\n\nWHEEL_REQUIREMENT = 'wheel>=0.26.0,<0.32'\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__ = '1.4.8'\n\n# Versions 34.0.0 through 35.0.2 (last pre-36.0.0) de-vendored dependencies which causes problems\n# for pex code so we exclude that range.\nSETUPTOOLS_REQUIREMENT = 'setuptools>=20.3,<41,!=34.*,!=35.*'\n\nWHEEL_REQUIREMENT = 'wheel>=0.26.0,<0.32'\n", "path": "pex/version.py"}]}