[Fix] fix multithreading concurrency visualization error.#1949

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KevinNuNu wants to merge 1 commit intoopen-mmlab:dev-1.xfrom

KevinNuNu:fix_multithreading_concurrency_vis_error

Commits on Jul 7, 2023

[Fix] add threading lock for visualizer. remove self.rec_inputs and self.kie_inputs
KevinNuNu
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