Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/21571#discussion_r195880511
--- Diff: python/pyspark/sql/utils.py ---
@@ -62,6 +62,7 @@ def deco(*a, **kw):
try:
return f(*a, **kw)
except py4j.protocol.Py4JJavaError as e:
+ print(str(e))
--- End diff --
nit: remove this
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