pitrou opened a new issue, #46611:
URL: https://github.com/apache/arrow/issues/46611
### Describe the bug, including details regarding any error messages,
version, and platform.
```python
>>> a = pa.array([1.2, 3.5, None], type=pa.float16())
Erreur de segmentation (core dumped)
```
C++ traceback:
```
#0 0x00007d05bdb07f52 in arrow::py::PyFloat_AsHalf(_object*, unsigned
short*) ()
from
/home/antoine/t/venv-3.12/lib/python3.12/site-packages/pyarrow/libarrow_python.so.2000
#1 0x00007d05bdb67862 in arrow::py::(anonymous
namespace)::PyPrimitiveConverter<arrow::HalfFloatType, void>::Append(_object*)
()
from
/home/antoine/t/venv-3.12/lib/python3.12/site-packages/pyarrow/libarrow_python.so.2000
#2 0x00007d05bdb57741 in arrow::Status
arrow::py::internal::VisitSequenceGeneric<arrow::py::internal::VisitSequence<arrow::py::(anonymous
namespace)::PyConverter::Extend(_object*, long, long)::{lambda(_object*,
bool*)#1}>(_object*, long, arrow::py::(anonymous
namespace)::PyConverter::Extend(_object*, long, long)::{lambda(_object*,
bool*)#1}&&)::{lambda(_object*, long, bool*)#1}>(_object*, long,
arrow::py::(anonymous namespace)::PyConverter::Extend(_object*, long,
long)::{lambda(_object*, bool*)#1}&&) () from
/home/antoine/t/venv-3.12/lib/python3.12/site-packages/pyarrow/libarrow_python.so.2000
#3 0x00007d05bdb5d8f6 in arrow::py::(anonymous
namespace)::PyConverter::Extend(_object*, long, long) ()
from
/home/antoine/t/venv-3.12/lib/python3.12/site-packages/pyarrow/libarrow_python.so.2000
#4 0x00007d05bdb6eedf in arrow::py::ConvertPySequence(_object*, _object*,
arrow::py::PyConversionOptions, arrow::MemoryPool*) ()
from
/home/antoine/t/venv-3.12/lib/python3.12/site-packages/pyarrow/libarrow_python.so.2000
#5 0x00007d05bde9e330 in __pyx_f_7pyarrow_3lib__sequence_to_array(_object*,
_object*, _object*, __pyx_obj_7pyarrow_3lib_DataType*, arrow::MemoryPool*,
bool) ()
from
/home/antoine/t/venv-3.12/lib/python3.12/site-packages/pyarrow/lib.cpython-312-x86_64-linux-gnu.so
#6 0x00007d05bdea253c in __pyx_pf_7pyarrow_3lib_196array(_object*,
_object*, _object*, _object*, _object*, _object*, int,
__pyx_obj_7pyarrow_3lib_MemoryPool*) [clone .constprop.0] () from
/home/antoine/t/venv-3.12/lib/python3.12/site-packages/pyarrow/lib.cpython-312-x86_64-linux-gnu.so
#7 0x00007d05bdeaaff6 in __pyx_pw_7pyarrow_3lib_197array(_object*, _object*
const*, long, _object*) ()
from
/home/antoine/t/venv-3.12/lib/python3.12/site-packages/pyarrow/lib.cpython-312-x86_64-linux-gnu.so
(etc.)
```
We should ensure that we are able to convert half-floats even without NumPy
installed.
### Component(s)
Python
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