Something wrong with pyproject.toml?

[driesmp]

===> Building for py311-pyserial_asyncio_fast-0.16 Getting build dependencies for wheel... /usr/local/lib/python3.11/site-packages/setuptools/config/pyprojecttoml.py:104: _BetaConfiguration: Support for [tool.setuptools]inpyproject.tomlis still *beta*. warnings.warn(msg, _BetaConfiguration) configuration error:project.license` must be valid exactly by one definition (2 matches found):

- keys:
    'file': {type: string}
  required: ['file']
- keys:
    'text': {type: string}
  required: ['text']

DESCRIPTION:
Project license <https://www.python.org/dev/peps/pep-0621/#license>_.

GIVEN VALUE:
"BSD-3-Clause"

OFFENDING RULE: 'oneOf'

DEFINITION:
{
"oneOf": [
{
"properties": {
"file": {
"type": "string",
"$$description": [
"Relative path to the file (UTF-8) which contains the license for the",
"project."
]
}
},
"required": [
"file"
]
},
{
"properties": {
"text": {
"type": "string",
"$$description": [
"The license of the project whose meaning is that of the",
"License field from the core metadata", "<https://packaging.python.org/specifications/core-metadata/#license>_."
]
}
},
"required": [
"text"
]
}
]
}
Traceback (most recent call last):
File "/usr/local/lib/python3.11/site-packages/pyproject_hooks/_in_process/_in_process.py", line 389, in
main()
File "/usr/local/lib/python3.11/site-packages/pyproject_hooks/_in_process/_in_process.py", line 373, in main
json_out["return_val"] = hook(**hook_input["kwargs"])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pyproject_hooks/_in_process/_in_process.py", line 143, in get_requires_for_build_wheel
return hook(config_settings)
^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/setuptools/build_meta.py", line 177, in get_requires_for_build_wheel
return self._get_build_requires(
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/setuptools/build_meta.py", line 159, in _get_build_requires
self.run_setup()
File "/usr/local/lib/python3.11/site-packages/setuptools/build_meta.py", line 174, in run_setup
exec(compile(code, file, 'exec'), locals())
File "setup.py", line 1, in
File "/usr/local/lib/python3.11/site-packages/setuptools/init.py", line 87, in setup
return distutils.core.setup(**attrs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/setuptools/_distutils/core.py", line 151, in setup
dist.parse_config_files()
File "/usr/local/lib/python3.11/site-packages/setuptools/dist.py", line 868, in parse_config_files
pyprojecttoml.apply_configuration(self, filename, ignore_option_errors)
File "/usr/local/lib/python3.11/site-packages/setuptools/config/pyprojecttoml.py", line 58, in apply_configuration
config = read_configuration(filepath, True, ignore_option_errors, dist)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/setuptools/config/pyprojecttoml.py", line 122, in read_configuration
validate(subset, filepath)
File "/usr/local/lib/python3.11/site-packages/setuptools/config/pyprojecttoml.py", line 47, in validate
raise error from None
ValueError: invalid pyproject.toml config: `project.license``

[driesmp]

project metadata related to the license should be altered, only one file is allowed, or if you want to ship both LICENSE.txt and CREDITS.rst; should be as such:

[project]
license = { text = "BSD-3-Clause" }

[tool.setuptools]
license-files = ["LICENSE.txt", "CREDITS.rst"]

[puddly]

Yeah, we should probably drop license-files.