BUG: IntervalIndex is_monotonic, get_loc, get_indexer_for, contains with np.nan#41863

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jreback merged 7 commits intopandas-dev:masterfrom

jbrockmendel:bug-41831

Jun 10, 2021

Commits on Jun 7, 2021

Commits on Jun 8, 2021

IntervalIndex.__contains__, get_loc with nan
jbrockmendel
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