pyarrow 0.10 appears to have a binary incompatibility with numpy versions prior
to the 1.14.x series, but its requirements file claims support for numpy>=1.10.0
If an older version of numpy is used, the following RuntimeError results:
`RuntimeError: module compiled against API version 0xc but this version of
numpy is 0xb`
The following tox.ini file demonstrates the issue:
```
[tox]
envlist=py27-numpy{10,11,13,14,15}-pyarrow{9,10}
[testenv]
deps =
numpy10: numpy>=1.10.0,<1.11
numpy11: numpy>=1.11.0,<1.12
numpy13: numpy>=1.13.0,<1.14
numpy14: numpy>=1.14.0,<1.15
numpy15: numpy>=1.15.0,<1.16
pyarrow9: pyarrow==0.9.0
pyarrow10: pyarrow==0.10.0
pytest
commands =
pytest
```
Using a simple test function like the following:
```
def test_import_pyarrow():
import pyarrow
```
pyarrow 0.9 doesn't appear to have this issue. Was there a change in the setup
process for pyarrow 0.10 that no longer uses Cython to build?
[ Full content available at: https://github.com/apache/arrow/issues/2490 ]
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