mac BigSur環境でpyinstallerでpyinstaller main.py --onefileとコマンドをうつと、下記のエラーがでてビルドできません。

Question

mac BigSur環境でpyinstallerでpyinstaller main.py --onefileとコマンドをうつと、下記のエラーがでてビルドできません。
python 3.9.1
pyinstaller 5.0dev

原因が不明で困っております。
どなたかお知恵をお貸しいただけませんでしょうか。

15595 INFO: Import to be excluded not found: 'f2py'
15596 INFO: Loading module hook 'hook-distutils.py' from '/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/hooks'...
15596 INFO: Loading module hook 'hook-numpy._pytesttester.py' from '/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/hooks'...
15601 INFO: Loading module hook 'hook-setuptools.msvc.py' from '/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/hooks'...
15640 INFO: Looking for ctypes DLLs
15687 WARNING: library user32 required via ctypes not found
15695 WARNING: library msvcrt required via ctypes not found
15708 INFO: Analyzing run-time hooks ...
15717 INFO: Including run-time hook '/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/hooks/rthooks/pyi_rth_multiprocessing.py'
15721 INFO: Including run-time hook '/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/hooks/rthooks/pyi_rth_pkgres.py'
15729 INFO: Including run-time hook '/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/hooks/rthooks/pyi_rth__tkinter.py'
15751 INFO: Looking for dynamic libraries
15926 INFO: Looking for eggs
15926 INFO: Python library not in binary dependencies. Doing additional searching...
Traceback (most recent call last):
File "/Users/test/.pyenv/versions/3.9.1/bin/pyinstaller", line 8, in <module>
sys.exit(run())
File "/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/main.py", line 114, in run
run_build(pyi_config, spec_file, **vars(args))
File "/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/main.py", line 65, in run_build
PyInstaller.building.build_main.main(pyi_config, spec_file, **kwargs)
File "/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/building/build_main.py", line 725, in main
build(specfile, kw.get('distpath'), kw.get('workpath'), kw.get('clean_build'))
File "/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/building/build_main.py", line 672, in build
exec(code, spec_namespace)
File "/top/htdocs/test/sample_project/main.spec", line 6, in <module>
a = Analysis(['main.py'],
File "/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/building/build_main.py", line 242, in init
self.postinit()
File "/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/building/datastruct.py", line 160, in postinit
self.assemble()
File "/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/building/build_main.py", line 476, in assemble
self._check_python_library(self.binaries)
File "/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/building/build_main.py", line 569, in _check_python_library
python_lib = bindepend.get_python_library_path()
File "/Users/test/.pyenv/versions/3.9.1/lib/python3.9/site-packages/PyInstaller/depend/bindepend.py", line 956, in get_python_library_path
raise IOError(msg)
OSError: Python library not found: Python, Python3, libpython3.9.dylib, libpython3.9m.dylib, .Python
This would mean your Python installation doesn't come with proper library files.
This usually happens by missing development package, or unsuitable build parameters of Python installation.

    * On Debian/Ubuntu, you would need to install Python development packages
    * apt-get install python3-dev
    * apt-get install python-dev
    * If you're building Python by yourself, please rebuild your Python with `--enable-shared` (or, `--enable-framework` on Darwin)

    TESTPC:sample_project test$