[ARROW-14087] Cannot convert DataFrame with `numpy.dtype` cells to `pyarrow.Table`

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 5.0.0
• Component/s: Python
• Labels: numpy
• Environment: macOS ; Python 3.8
• External issue URL: https://github.com/apache/arrow/issues/18854

Language

Python

• Assignee: Unassigned
• Reporter: Henrikh Kantuni
• Created: 23/Sep/21 00:41
• Updated: 11/Jan/23 08:37

Description

Example:

df = pd.DataFrame([np.dtype("<i2")]

raises an ArrowInvalid exception with Could not convert dtype...