Github user HyukjinKwon commented on the issue:
https://github.com/apache/spark/pull/22858
Wenchen, this is because
```python
if sys.version >= '3':
basestring = str
```
Is missing. Python 3 does not have `basestring`.--- --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
