MNT: put back `_hold` as read-only attribute on AxesBase#12274

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dstansby merged 1 commit intomatplotlib:masterfrom

tacaswell:mnt_be_nice_about_hold

Sep 27, 2018

Commits on Sep 25, 2018

MNT: put back `_hold` as read-only attribute on AxesBase
tacaswell
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