pitrou commented on code in PR #41041:
URL: https://github.com/apache/arrow/pull/41041#discussion_r1618871085


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python/examples/minimal_build/build_venv.sh:
##########
@@ -68,11 +69,9 @@ export 
CMAKE_PREFIX_PATH=${ARROW_HOME}${CMAKE_PREFIX_PATH:+:${CMAKE_PREFIX_PATH}
 export PYARROW_BUILD_TYPE=Debug
 export PYARROW_CMAKE_GENERATOR=Ninja
 
-# You can run either "develop" or "build_ext --inplace". Your pick
-
-# python setup.py build_ext --inplace
-python setup.py develop
+# Use the same command that we use on python_build.sh
+python -m pip install --no-deps --no-build-isolation -e .

Review Comment:
   > I am not sure why the editable mode is required but otherwise it fails 
importing `pyarrow.lib`.
   
   That's probably because the current directory contains the `pyarrow` source 
directory. If you change the current directory to something else, the error 
should probably disappear.



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