Arthur Peters created ARROW-11172:
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Summary: NumPyBuffer does not set mutable_data_
Key: ARROW-11172
URL: https://issues.apache.org/jira/browse/ARROW-11172
Project: Apache Arrow
Issue Type: Bug
Components: Python
Affects Versions: 2.0.0
Environment: All
Reporter: Arthur Peters
NumPyBuffer sets is_mutable_, but does not set mutable_data_ in it's
constructor
([code|https://github.com/apache/arrow/blob/d1ffe7229f327de8e9dbb7785b7c6e38d2c3319e/cpp/src/arrow/python/numpy_convert.cc#L51-L53])
even if the numpy array is mutable (NPY_ARRAY_WRITEABLE).
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