Fix #907: Undefined offset inside rendering summary …#908

Merged

kartik-v merged 1 commit intokartik-v:masterfrom execut:907-fix-bug-with-strings-columns-key

May 20, 2019

+4-2

Commits on May 20, 2019

(bug kartik-v#907 ): Fixed bug with undefined offset inside rendering summary row when using string columns keys
execut
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