Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19884#discussion_r158206546
--- Diff: python/pyspark/sql/utils.py ---
@@ -110,3 +110,12 @@ def toJArray(gateway, jtype, arr):
for i in range(0, len(arr)):
jarr[i] = arr[i]
return jarr
+
+
+def _require_minimum_pyarrow_version():
--- End diff --
No. I just checked if `ImportError` occurred or not. We should do the same
thing for pandas later.
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