[ https://issues.apache.org/jira/browse/ARROW-8685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
A. Coady resolved ARROW-8685. ----------------------------- Resolution: Not A Bug Thanks. Confirmed that this is Python 3.8 only, and numpy 1.15 doesn't officially support 3.8. So nothing to fix. > [Python] ImportError with NumPy<1.16. > ------------------------------------- > > Key: ARROW-8685 > URL: https://issues.apache.org/jira/browse/ARROW-8685 > Project: Apache Arrow > Issue Type: Bug > Components: Packaging, Python > Affects Versions: 0.17.0 > Reporter: A. Coady > Priority: Major > > {noformat} > # pip install 'numpy<1.16' pyarrow... > Successfully built numpy > Installing collected packages: numpy, pyarrow > Successfully installed numpy-1.15.4 pyarrow-0.17.0 > # python -c 'import pyarrow'ModuleNotFoundError: No module named > 'numpy.core._multiarray_umath'Traceback (most recent call last): > File "<string>", line 1, in <module> > File "/usr/local/lib/python3.8/site-packages/pyarrow/__init__.py", line 59, > in <module> > from pyarrow.lib import cpu_count, set_cpu_count > File "pyarrow/lib.pyx", line 37, in init pyarrow.lib > ImportError: numpy.core.multiarray failed to import > {noformat} > Arrow's setup.py requires numpy>=1.14, but the actual requirement appears to > be >=1.16. > This is related to ARROW-7852; users will still see an ImportError if an > older NumPy was already installed. -- This message was sent by Atlassian Jira (v8.3.4#803005)