WB-3205 #close fix spark nan issue

[raubitsj]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build c32014b8-ec35-43f3-bf90-d21044b2d85a

• 1 of 4 (25.0%) changed or added relevant lines in 1 file are covered.
• 945 unchanged lines in 50 files lost coverage.
• Overall coverage decreased (-4.08%) to 60.456%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
wandb/lib/sparkline.py	1	4	25.0%

Files with Coverage Reduction	New Missed Lines	%
tests/utils/mock_server.py	1	84.98%
wandb/apis/internal_runqueue.py	1	25.0%
wandb/internal/internal.py	1	27.89%
wandb/internal/meta.py	1	72.39%
wandb/internal/run.py	1	61.54%
wandb/lib/apikey.py	1	62.2%
wandb/lib/ipython.py	1	71.43%
wandb/old/core.py	1	57.63%
wandb/sdk/wandb_config.py	1	69.72%
wandb/sweeps/base.py	1	80.0%

Totals
Change from base Build cf330587-b709-4437-ba62-5c02a0e00613:	-4.08%
Covered Lines:	12362
Relevant Lines:	20448

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💛 - Coveralls

[vanpelt]

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