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Posted to dev@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2020/03/12 17:35:00 UTC
[jira] [Created] (ARROW-8093) [CI][Crossbow] Pandas integration
test fails
Neal Richardson created ARROW-8093:
--------------------------------------
Summary: [CI][Crossbow] Pandas integration test fails
Key: ARROW-8093
URL: https://issues.apache.org/jira/browse/ARROW-8093
Project: Apache Arrow
Issue Type: Bug
Components: Continuous Integration, Python
Reporter: Neal Richardson
Assignee: Joris Van den Bossche
Fix For: 0.17.0
{code}
=================================== FAILURES ===================================
_______________ test_conversion_extensiontype_to_extensionarray ________________
monkeypatch = <_pytest.monkeypatch.MonkeyPatch object at 0x7f029f03f2a0>
def test_conversion_extensiontype_to_extensionarray(monkeypatch):
# converting extension type to linked pandas ExtensionDtype/Array
import pandas.core.internals as _int
storage = pa.array([1, 2, 3, 4], pa.int64())
arr = pa.ExtensionArray.from_storage(MyCustomIntegerType(), storage)
table = pa.table({'a': arr})
if LooseVersion(pd.__version__) < "0.26.0.dev":
# ensure pandas Int64Dtype has the protocol method (for older pandas)
monkeypatch.setattr(
pd.Int64Dtype, '__from_arrow__', _Int64Dtype__from_arrow__,
raising=False)
# extension type points to Int64Dtype, which knows how to create a
# pandas ExtensionArray
> result = table.to_pandas()
opt/conda/envs/arrow/lib/python3.7/site-packages/pyarrow/tests/test_pandas.py:3633:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
pyarrow/array.pxi:566: in pyarrow.lib._PandasConvertible.to_pandas
???
pyarrow/table.pxi:1425: in pyarrow.lib.Table._to_pandas
???
opt/conda/envs/arrow/lib/python3.7/site-packages/pyarrow/pandas_compat.py:764: in table_to_blockmanager
blocks = _table_to_blocks(options, table, categories, ext_columns_dtypes)
opt/conda/envs/arrow/lib/python3.7/site-packages/pyarrow/pandas_compat.py:1102: in _table_to_blocks
for item in result]
opt/conda/envs/arrow/lib/python3.7/site-packages/pyarrow/pandas_compat.py:1102: in <listcomp>
for item in result]
opt/conda/envs/arrow/lib/python3.7/site-packages/pyarrow/pandas_compat.py:723: in _reconstruct_block
pd_ext_arr = pandas_dtype.__from_arrow__(arr)
opt/conda/envs/arrow/lib/python3.7/site-packages/pandas/core/arrays/integer.py:108: in __from_arrow__
array = array.cast(pyarrow_type)
pyarrow/table.pxi:240: in pyarrow.lib.ChunkedArray.cast
???
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> ???
E pyarrow.lib.ArrowNotImplementedError: No cast implemented from extension<arrow.py_extension_type> to int64
{code}
https://circleci.com/gh/ursa-labs/crossbow/9156
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