Source file found twice under different module names error raise by mypy

[tromai]

How to reproduce the issue

mkdir /tmp/test
cd /tmp/test
git clone https://github.com/oracle/macaron
cd macaron
git checkout staging

python3.11 -m venv .venv
. .venv/bin/activate
make setup

make check

The error message from mypy pre-commit hook

src/macaron/__main__.py: error: Source file found twice under different module names: "macaron.__main__" and "__main__"
src/macaron/__main__.py: note: See https://mypy.readthedocs.io/en/stable/running_mypy.html#mapping-file-paths-to-modules for more info
src/macaron/__main__.py: note: Common resolutions include: a) adding `__init__.py` somewhere, b) using `--explicit-package-bases` or adjusting MYPYPATH
Found 1 error in 1 file (errors prevented further checking)
Success: no issues found in 31 source files
Success: no issues found in 31 source files
Success: no issues found in 31 source files
src/macaron/__main__.py: error: Source file found twice under different module names: "macaron.__main__" and "__main__"
src/macaron/__main__.py: note: See https://mypy.readthedocs.io/en/stable/running_mypy.html#mapping-file-paths-to-modules for more info
src/macaron/__main__.py: note: Common resolutions include: a) adding `__init__.py` somewhere, b) using `--explicit-package-bases` or adjusting MYPYPATH
Found 1 error in 1 file (errors prevented further checking)