backend_mixedbackend_templatebackend_aggbackend_cairobackend_gtk3agg, backend_gtk3cairobackend_gtk4agg, backend_gtk4cairobackend_nbaggbackend_pdfbackend_pgfbackend_psbackend_qtagg, backend_qtcairobackend_svgbackend_tkagg, backend_tkcairobackend_webaggbackend_wxagg, backend_wxcairo
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