zhengruifeng commented on code in PR #48492:
URL: https://github.com/apache/spark/pull/48492#discussion_r1804503146
##########
python/pyspark/sql/pandas/utils.py:
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@@ -94,3 +94,33 @@ def require_minimum_pyarrow_version() -> None:
errorClass="ARROW_LEGACY_IPC_FORMAT",
messageParameters={},
)
+
+
+def require_minimum_numpy_version() -> None:
+ """Raise ImportError if minimum version of NumPy is not installed"""
Review Comment:
numpy is a dependency of pandas, so it is available in connect;
but not a mandatary one in classic.
It seems `kde` actually only need `np.linspace`, whose logic is not complex,
so we may remove the direct dependency of `numpy` later,
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