Fix: could not convert string to number

[menon92]

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@fchollet For some records, there are comming empty string

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[pcoet]

@menon92 Thanks for the PR, and I apologize for the late response. I think this got overlooked...

You'll need to sign the CLA before we can accept contributions from you.

I am not seeing any issues with empty records in this example. Can you explain how to repro?

[menon92]

@pcoet I already have CLA

[pcoet]

Awesome. I just reran the CLA check, and you're good. Thanks! Can you clarify this?

I am not seeing any issues with empty records in this example. Can you explain how to repro?

[menon92]

@pcoet The issue no more exists

[pcoet]

Great. Thanks for the follow up!