A. Coady created ARROW-8685: ------------------------------- Summary: [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
# 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 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)