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Sachit Vithaldas commented on ARROW-11720: ------------------------------------------ Upgrading pip resolved the issue for me. Thanks for your help! > [Python] Cannot install pyarrow via pip on Ubuntu 18.04.5 > --------------------------------------------------------- > > Key: ARROW-11720 > URL: https://issues.apache.org/jira/browse/ARROW-11720 > Project: Apache Arrow > Issue Type: Bug > Components: Python > Affects Versions: 3.0.0 > Environment: Ubuntu 18.04.5 LTS > Reporter: Sachit Vithaldas > Priority: Major > > I was attempting to install pyarrow via pip on Ubuntu 18.04 by using the > following command: > {code:java} > pip3 install pyarrow{code} > When doing so I get the following error: > {code:java} > Collecting pyarrow > Downloading > https://files.pythonhosted.org/packages/62/d3/a482d8a4039bf931ed6388308f0cc0541d0cab46f0bbff7c897a74f1c576/pyarrow-3.0.0.tar.gz > (682kB) > 100% |################################| 686kB 2.3MB/s > Complete output from command python setup.py egg_info: > Traceback (most recent call last): > File "<string>", line 1, in <module> > File "/tmp/pip-build-2zxk66af/pyarrow/setup.py", line 37, in <module> > from Cython.Distutils import build_ext as _build_ext > ModuleNotFoundError: No module named 'Cython' > ---------------------------------------- > Command "python setup.py egg_info" failed with error code 1 in > /tmp/pip-build-2zxk66af/pyarrow/{code} > However this does seem to work without any issues on Ubuntu 20.04.1 LTS. This > problem seems to be specific to 18.04.5. -- This message was sent by Atlassian Jira (v8.3.4#803005)