Unable to install or upgrade to python@3.12.0

[exploitJ]

Describe the bug
when I try to install python 3.12 following error appears.

.
.
.
      20 warnings and 8 errors generated.
      error: command '/opt/homebrew/opt/llvm/bin/clang' failed with exit code 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for multidict
Failed to build multidict
ERROR: Could not build wheels for multidict, which is required to install pyproject.toml-based projects

[notice] A new release of pip is available: 23.2.1 -> 23.3
rtx python@3.12.0 [ERROR] /Users/koi/.local/share/rtx/installs/python/3.12.0/bin/python exited with non-zero status: exit code 1
rtx failed to install python@3.12.0
rtx Run with RTX_DEBUG=1 for more information

To Reproduce
run rtx install python@3.12

Expected behavior
install succeeds

rtx doctor output

rtx version:
  2023.10.2 macos-arm64 (2023-10-15)

build:
  Target: aarch64-apple-darwin
  Features: BREW, DEFAULT, NATIVE_TLS
  Built: Sun, 15 Oct 2023 23:47:27 +0000
  Rust Version: rustc 1.72.1 (d5c2e9c34 2023-09-13) (Homebrew)
  Profile: release

shell:
  /bin/zsh
  zsh 5.9 (x86_64-apple-darwin23.0)

rtx data directory:
  /Users/koi/.local/share/rtx

rtx environment variables:
  RTX_NODE_DEFAULT_PACKAGES_FILE=/Users/koi/.config/rtx/default-npm-packages
  RTX_PYTHON_DEFAULT_PACKAGES_FILE=/Users/koi/.config/rtx/default-python-packages
  RTX_RUBY_DEFAULT_PACKAGES_FILE=/Users/koi/.config/rtx/default-gems
  RTX_SHELL=zsh

settings:
  {"always_keep_download": "false", "always_keep_install": "false", "asdf_compat": "false", "disable_default_shorthands": "false", "disable_tools": "[]", "experimental": "true", "jobs": "4", "legacy_version_file": "true", "legacy_version_file_disable_tools": "[]", "log_level": "INFO", "missing_runtime_behavior": "warn", "plugin_autoupdate_last_check_duration": "10080", "raw": "false", "trusted_config_paths": "[]", "verbose": "false", "yes": "false"}

config files:
  /Users/koi/.config/rtx/config.toml

plugins:
  bun      (core)
  deno     (core)
  go       (core)
  gradle   https://github.com/rfrancis/asdf-gradle.git#6dcf009
  java     (core)
  node     (core)
  python   (core)
  ruby     (core)

toolset:
  node@system, java@system, python@latest, go@latest, ruby@latest

No problems found

Additional context
I've tried installing requirements of python-build with homebrew based on this document but had no luck.
python core package requirements

[exploitJ]

possibly related to aio-libs/multidict#887

[jdx]

RTX_PYTHON_DEFAULT_PACKAGES_FILE=/Users/koi/.config/rtx/default-python-packages

you probably have a default package that isn't installing correctly.

[exploitJ]

you were right.
there was a compatibility issue with default packages.
closing this issue