Atharex commented on issue #10222:
URL: https://github.com/apache/arrow/issues/10222#issuecomment-832492786
Also the wheel that is built in the end seems to have some troubles during
import.
```
bash-4.2# pip3 install $ARROW_HOME/python/dist/pyarrow*.whl
Processing
./dist/pyarrow-1.0.1.dev0+g886d87bde.d20210505-cp38-cp38-linux_x86_64.whl
Requirement already satisfied: numpy>=1.14 in
/usr/local/lib/python3.8/site-packages (from
pyarrow==1.0.1.dev0+g886d87bde.d20210505) (1.19.5)
Installing collected packages: pyarrow
Successfully installed pyarrow-1.0.1.dev0+g886d87bde.d20210505
WARNING: You are using pip version 20.2.4; however, version 21.1.1 is
available.
You should consider upgrading via the '/usr/local/bin/python3.8 -m pip
install --upgrade pip' command.
bash-4.2# python3
Python 3.8.9 (default, May 3 2021, 14:20:19)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyarrow
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/root/home/arrow/python/pyarrow/__init__.py", line 62, in <module>
import pyarrow.lib as _lib
ModuleNotFoundError: No module named 'pyarrow.lib'
```
Though the package itself seems correctly installed, as the `lib.pyx` file
is present
```
bash-4.2# ls /root/home/arrow/python/pyarrow/
__init__.pxd _csv.pxd _flight.pyx _json.pyx _plasma.pyx
builder.pxi config.pxi feather.pxi gandiva.pyx ipc.pxi lib.pyx
parquet.py serialization.py types.pxi
__init__.py _csv.pyx _fs.pxd _orc.pxd _s3fs.pyx
cffi.py csv.py feather.py hdfs.py ipc.py memory.pxi
plasma.py table.pxi types.py
__pycache__ _cuda.pxd _fs.pyx _orc.pyx array.pxi
compat.pxi cuda.py filesystem.py includes json.py orc.py
public-api.pxi tensor.pxi util.py
_compute.pxd _cuda.pyx _generated_version.py _parquet.pxd
benchmark.pxi compat.py dataset.py flight.py io-hdfs.pxi jvm.py
pandas-shim.pxi scalar.pxi tensorflow
_compute.pyx _dataset.pyx _hdfs.pyx _parquet.pyx
benchmark.py compute.py error.pxi fs.py io.pxi lib.pxd
pandas_compat.py serialization.pxi tests
```
Am I missing something in the build steps for the python wheel here?
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