Aunjanue Ellis-Taylor is disappointed in the way the latest adaptation of author Alice Walker’s The Color Purple depicted the Pulitzer Prize-winning 1982 novel’s central lesbian relationship. “The Color Purple is a book about Black lesbians,” the out bisexual actress told Buzzfeed in a recent interview. “Whether the choice was made to focus on that or not in the cinematic iterations of The Color Purple, it’s still a movie about Black lesbians. P…