workaround for fixed dpi assumption in adjust_bbox_pdf #1155
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When saving figures with
bbox_inches='tight'
, the functionadjust_bbox_pdf
which is used for rescaling and repositioning the figure assumes a fixed dpi of 72. The pgf backend leaves figure.dpi up to the user for defining the resolution of images. This PR is a workaround for PGF figures being handled incorrectly inadjust_bbox_pdf
until we find out why the 72 dpi assumption was necessary (fixes #1135).