[Python] Segfault when reading parquet files if torch is imported before pyarrow

pyarrow (version 0.10.0) appears to crash sporadically with a segmentation fault when reading parquet files if it is used in a program where torch is imported first.

A self-contained example is available here: https://gitlab.com/ostrokach/pyarrow_pytorch_segfault.

Basically, running

python -X faulthandler -c "import torch; import pyarrow.parquet as pq; _ = pq.ParquetFile('example.parquet').read_row_group(0)"

sooner or later results in a segfault:

Fatal Python error: Segmentation fault

Current thread 0x00007f52959bb740 (most recent call first):

File "/home/kimlab1/strokach/anaconda/lib/python3.6/site-packages/pyarrow/parquet.py", line 125 in read_row_group
File "<string>", line 1 in <module>
./test_fail.sh: line 5: 42612 Segmentation fault (core dumped) python -X faulthandler -c "import torch; import pyarrow.parquet as pq; _ = pq.ParquetFile('example.parquet').read_row_group(0)"

The number of iterations before a segfault varies, but it usually happens within the first several calls.

Running

python -X faulthandler -c "import pyarrow.parquet as pq import torch; _ = pq.ParquetFile('example.parquet').read_row_group(0)"

works without a problem.