From ffa05c84fe75663fc33f3d954d1cb1e084ab3280 Mon Sep 17 00:00:00 2001 From: MechCoder Date: Fri, 14 Aug 2015 12:46:05 -0700 Subject: [SPARK-9828] [PYSPARK] Mutable values should not be default arguments Author: MechCoder Closes #8110 from MechCoder/spark-9828. --- python/pyspark/ml/evaluation.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'python/pyspark/ml/evaluation.py') diff --git a/python/pyspark/ml/evaluation.py b/python/pyspark/ml/evaluation.py index 2734092575..e23ce053ba 100644 --- a/python/pyspark/ml/evaluation.py +++ b/python/pyspark/ml/evaluation.py @@ -46,7 +46,7 @@ class Evaluator(Params): """ raise NotImplementedError() - def evaluate(self, dataset, params={}): + def evaluate(self, dataset, params=None): """ Evaluates the output with optional parameters. @@ -56,6 +56,8 @@ class Evaluator(Params): params :return: metric """ + if params is None: + params = dict() if isinstance(params, dict): if params: return self.copy(params)._evaluate(dataset) -- cgit v1.2.3