fix error message

Author: jialuoo

bigframes/functions/_function_session.py

@@ -991,8 +991,7 @@ def _convert_row_processor_sig(
         if param_type == bf_series.Series:
             raise bf_formatting.create_exception_with_feedback_link(
                 TypeError,
-                "Due to current UDF serialization requirements, argument type "
-                "hint must be Pandas Series, not BigFrames Series.",
+                "Argument type hint must be Pandas Series, not BigFrames Series.",
             )
         if param_type == pandas.Series:
             msg = bfe.format_message("input_types=Series is in preview.")

tests/system/large/functions/test_managed_function.py

@@ -703,7 +703,7 @@ def serialize_row(row):
 
         with pytest.raises(
             TypeError,
-            match="Due to current UDF serialization requirements, argument type hint must be Pandas Series, not BigFrames Series.",
+            match="Argument type hint must be Pandas Series, not BigFrames Series.",
         ):
             serialize_row_mf = session.udf(
                 input_types=bigframes.series.Series,

tests/system/large/functions/test_remote_function.py

@@ -3091,7 +3091,7 @@ def is_sum_positive_series(s: pandas.Series) -> bool:
 
         with pytest.raises(
             TypeError,
-            match="Due to current UDF serialization requirements, argument type hint must be Pandas Series, not BigFrames Series.",
+            match="Argument type hint must be Pandas Series, not BigFrames Series.",
         ):
             session.remote_function(
                 input_types=bigframes.series.Series,