RecordIO API docs errors

[aaronmarkham]

Description

Sphinx throws several errors when generating the RecordIO API docs.

Error

/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXRecordIO:4: WARNING: Title underline too short.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXRecordIO:4: SEVERE: Unexpected section title.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXRecordIO.reset:6: WARNING: Title underline too short.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXRecordIO.reset:6: SEVERE: Unexpected section title.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXRecordIO.write:4: WARNING: Title underline too short.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXRecordIO.write:4: SEVERE: Unexpected section title.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXRecordIO.read:4: WARNING: Title underline too short.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXRecordIO.read:4: SEVERE: Unexpected section title.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXIndexedRecordIO:4: WARNING: Title underline too short.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXIndexedRecordIO:4: SEVERE: Unexpected section title.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXIndexedRecordIO.tell:4: WARNING: Title underline too short.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXIndexedRecordIO.tell:4: SEVERE: Unexpected section title.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXIndexedRecordIO.read_idx:4: WARNING: Title underline too short.

Example usage:
----------
/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXIndexedRecordIO.read_idx:4: SEVERE: Unexpected section title.

Example usage:
----------
/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXIndexedRecordIO.write_idx:4: WARNING: Title underline too short.

Example usage:
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/home/ubuntu/incubator-mxnet/python/mxnet/recordio.py:docstring of mxnet.recordio.MXIndexedRecordIO.write_idx:4: SEVERE: Unexpected section title.

[frankfliu]

@mxnet-label-bot [Doc]