Boa Tarde, estou com erro no seguinte código..
dataset = dataset\
.join(unit, 'customerID', how='inner')\
.join(zone, 'customerID', how='inner')Erro em questao:
AttributeError Traceback (most recent call last)
<ipython-input-36-95859614e467> in <module>
2
3 dataset = dataset\
----> 4 .join(unit, 'customerID', how='inner')\
5 .join(zone, 'customerID', how='inner')
6 dataset.show()
/usr/local/lib/python3.7/dist-packages/pyspark/sql/dataframe.py in join(self, other, on, how)
1537 on = self._jseq([])
1538 assert isinstance(how, str), "how should be a string"
-> 1539 jdf = self._jdf.join(other._jdf, on, how)
1540 return DataFrame(jdf, self.sparkSession)
1541
AttributeError: 'NoneType' object has no attribute '_jdf'Ja tentei de tudo
