logging: use new syntax to check if a handler is not already present in Logger.addHandler#145908
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stephanlachnit wants to merge 1 commit intopython:mainfrom
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logging: use new syntax to check if a handler is not already present in Logger.addHandler#145908stephanlachnit wants to merge 1 commit intopython:mainfrom
stephanlachnit wants to merge 1 commit intopython:mainfrom
