Github user m30m commented on the issue:
https://github.com/apache/zeppelin/pull/1677
It's not possible to put the DataFrame directly because of this error:
```Exception: Traceback (most recent call last):
File
"/spark-2.0.1-bin-hadoop2.7/python/lib/py4j-0.10.3-src.zip/py4j/java_gateway.py",
line 1124, in __call__
args_command, temp_args = self._build_args(*args)
File
"/spark-2.0.1-bin-hadoop2.7/python/lib/py4j-0.10.3-src.zip/py4j/java_gateway.py",
line 1094, in _build_args
[get_command_part(arg, self.pool) for arg in new_args])
File
"/spark-2.0.1-bin-hadoop2.7/python/lib/py4j-0.10.3-src.zip/py4j/protocol.py",
line 289, in get_command_part
command_part = REFERENCE_TYPE + parameter._get_object_id()
File "/spark-2.0.1-bin-hadoop2.7/python/pyspark/sql/dataframe.py", line
841, in __getattr__
"'%s' object has no attribute '%s'" % (self.__class__.__name__, name))
AttributeError: 'DataFrame' object has no attribute '_get_object_id'
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