raulcd opened a new issue, #41390:
URL: https://github.com/apache/arrow/issues/41390
### Describe the bug, including details regarding any error messages,
version, and platform.
The AMD64 macOS 11 C# is failing with:
```
Run ci/scripts/csharp_test.sh $(pwd)
+ source_dir=/Users/runner/work/arrow/arrow/csharp
+ '[' -z '' ']'
+ type python3
+ export PYTHON=python3
+ PYTHON=python3
+ python3 -m pip install pyarrow find-libpython
error: externally-managed-environment
× This environment is externally managed
╰─> To install Python packages system-wide, try brew install
xyz, where xyz is the package you are trying to
install.
If you wish to install a Python library that isn't in Homebrew,
use a virtual environment:
python3 -m venv path/to/venv
source path/to/venv/bin/activate
python3 -m pip install xyz
If you wish to install a Python application that isn't in Homebrew,
it may be easiest to use 'pipx install xyz', which will manage a
virtual environment for you. You can install pipx with
brew install pipx
You may restore the old behavior of pip by passing
the '--break-system-packages' flag to pip, or by adding
'break-system-packages = true' to your pip.conf file. The latter
will permanently disable this error.
If you disable this error, we STRONGLY recommend that you additionally
pass the '--user' flag to pip, or set 'user = true' in your pip.conf
file. Failure to do this can result in a broken Homebrew installation.
Read more about this behavior here: <https://peps.python.org/pep-0668/>
note: If you believe this is a mistake, please contact your Python
installation or OS distribution provider. You can override this, at the risk of
breaking your Python installation or OS, by passing --break-system-packages.
hint: See PEP 668 for the detailed specification.
```
Example:
https://github.com/apache/arrow/actions/runs/8836761043/job/24264073837?pr=41376
We need to use venv as the message said or actions/setup-python.
### Component(s)
Continuous Integration
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