Merge in upstream#1328

Closed

AndreasSteiner wants to merge 11 commits intopython-openxml:masterfrom

AndreasSteinerPF:master

Commits on Mar 21, 2022

Add document add_chart
Andreas Steiner
committed
Update setup
Andreas Steiner
committed

Commits on Mar 24, 2022

Fix relationships
Andreas Steiner
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Updated readme
Andreas Steiner
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Add possibility to add chart to existing paragraph
Andreas Steiner
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Version bump
Andreas Steiner
committed

Commits on Mar 25, 2022

Update deps
Andreas Steiner
committed
Unpin pptx dep
Andreas Steiner
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Bump version
Andreas Steiner
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Also bump in setup
Andreas Steiner
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Bump version again
Andreas Steiner
committed