Github user map222 commented on the issue:
https://github.com/apache/spark/pull/17469
The documentation unit test is now failing due to differences in python 2
and 3 strings. This is one of the error messages using the python 3.4 kernel:
```File
"/home/jenkins/workspace/SparkPullRequestBuilder/python/pyspark/sql/column.py",
line 122, in pyspark.sql.column.Column.endswith
Failed example:
df.filter(df.name.endswith('ice')).collect()
Differences (ndiff with -expected +actual):
- [Row(age=2, name=u'Alice')]
? -
+ [Row(age=2, name='Alice')]```
I don't know how to fix this. I don't want to redefine `df` for each
example. It looks like there is a function in the RDD to convert string types,
https://github.com/apache/spark/blob/master/python/pyspark/rdd.py#L146
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