Errors building with poetry-core through tox about poetry-dynamic-versioning HOT 3 CLOSED

#!/bin/bash

# get loc. of pdv from arg, or use pypi.
PDV=${1:-"poetry_dynamic_versioning"}

# Create a temporary directory and store its name in a variable ...
TMPDIR=$(mktemp -d)

# Bail out if the temp directory wasn't created successfully.
if [ ! -e $TMPDIR ]; then
    >&2 echo "Failed to create temp directory"
    exit 1
fi
# Make sure it gets removed even if the script exits abnormally.
trap "exit 1"           HUP INT PIPE QUIT TERM
trap 'rm -rf "$TMPDIR"' EXIT

echo "Created $TMPDIR"
cd $TMPDIR
mkdir -p src/tmpl-package
touch src/tmpl-package/__init__.py

# make pyproject.toml
cat >./pyproject.toml  <<EOL
[tool.poetry]
name = "tmpl-package"
version = "0.0.0"
description = "something"
authors = ["me <[email protected]>"]
packages =[{include = "tmpl-package", from = "src"}]

[tool.poetry-dynamic-versioning]
enable = true

[build-system]
requires = ["poetry-core>=1.0.0", "poetry-dynamic-versioning"]
build-backend = "poetry.core.masonry.api"
EOL

# make tox.ini
cat >./tox.ini <<EOL
[tox]
envlist=py39
isolated_build=true
EOL

git init && git add . && git commit -m "testing" && git tag v0.1.0

python -m venv .venv
source .venv/bin/activate
PYTHON=$(which python)
SITE_PACKAGES=$(python -c 'import site; print(site.getsitepackages()[0])')
echo $PYTHON
echo $SITE_PACKAGES
python -m pip install tox

$PYTHON -m virtualenv --no-download --python $PYTHON .package
.package/bin/python -m pip install 'poetry-core>=1.0.0' $PDV
.package/bin/python /home/peter/.pyenv/versions/3.9.1/lib/python3.9/site-packages/tox/helper/build_requires.py poetry.core.masonry.api '' ''
.package/bin/python /home/peter/.pyenv/versions/3.9.1/lib/python3.9/site-packages/tox/helper/build_isolated.py .tox/dist poetry.core.masonry.api '' ''