dtenedor commented on code in PR #42157:
URL: https://github.com/apache/spark/pull/42157#discussion_r1275350920


##########
python/pyspark/sql/tests/test_udtf.py:
##########
@@ -256,29 +254,76 @@ def eval(self, a: int):
         ):
             TestUDTF(lit(1), lit(2)).collect()
 
+    def test_udtf_init_with_additional_args(self):
+        @udtf(returnType="x int")
+        class TestUDTF:
+            def __init__(self, a: int):
+                ...
+
+            def eval(self, a: int):
+                yield a,
+
+        with self.assertRaisesRegex(
+            PythonException, r"__init__\(\) missing 1 required positional 
argument: 'a'"

Review Comment:
   I mentioned this in @ueshin's previous PR, it would be helpful to include 
the UDTF name in the error message. Is it possible to add that now, or should 
we separate that work to a later PR?



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