release-19.2:Backport!2302

Merged Andrey Vertiprahov requested to merge cherry-pick-caebb4d9 into release-19.2

Fix Beward.BD more than 1 value trace.

See merge request !2302 (merged)

(cherry picked from commit caebb4d9)

8168896d Fix Beward.BD more than 1 value trace. b6ce84c7 Fix black.

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