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new 30ab43f ARROW-2124: [Python] Add test for empty item in array
30ab43f is described below
commit 30ab43f2c0ddafec9b7e572a463681dec9ac239d
Author: Uwe L. Korn <uw...@xhochy.com>
AuthorDate: Mon Feb 12 16:24:52 2018 -0500
ARROW-2124: [Python] Add test for empty item in array
Author: Uwe L. Korn <uw...@xhochy.com>
Closes #1586 from xhochy/ARROW-2124 and squashes the following commits:
1f93916a [Uwe L. Korn] ARROW-2124: [Python] Add test for empty item in array
---
python/pyarrow/tests/test_convert_pandas.py | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/python/pyarrow/tests/test_convert_pandas.py
b/python/pyarrow/tests/test_convert_pandas.py
index 026cd25..b73522d 100644
--- a/python/pyarrow/tests/test_convert_pandas.py
+++ b/python/pyarrow/tests/test_convert_pandas.py
@@ -800,6 +800,14 @@ class TestPandasConversion(object):
field = schema.field_by_name(column)
_check_array_roundtrip(df[column], type=field.type)
+ def test_column_of_lists_first_empty(self):
+ # ARROW-2124
+ num_lists = [[], [2, 3, 4], [3, 6, 7, 8], [], [2]]
+ series = pd.Series([np.array(s, dtype=float) for s in num_lists])
+ arr = pa.array(series)
+ result = pd.Series(arr.to_pandas())
+ tm.assert_series_equal(result, series)
+
def test_column_of_lists_chunked(self):
# ARROW-1357
df = pd.DataFrame({
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