warning on CRAN about treemap HOT 5 CLOSED

Tnx for reporting this! Should be fixed now.

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The warning is still there

https://cran.r-project.org/web/checks/check_results_treemap.html

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I know, I still have to submit this version to CRAN;-)

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In addition: this warning should have no influence on the functionality of treemap: it is a conflict between grid and ggplot2, where ggplot2 re-exports the objects arrow and unit from grid. I managed the imports better to prevent this warning, but I'll wait with a new package update until there is more reason to update.

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Thanks for the explanation, now I understand the problem better. Since I use treemap in my package bdvis I too get that warning, and before submitting next version to CRAN I wanted to make sure I am handling that properly.

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