One thing Richard Pryor could never be accused of was keeping his act clean. During his heyday, the irreverent comic was highly rewarded for his blue humor , and it remained a part of his live performances for the rest of his life. Naturally, when Pryor’s film career took off, the profanity that was a staple of his stand-up shows came along with him. The only problem with that was that when his movies eventually made their way to television, Pryor’s dirtier lines had to be dubbed over. In true Pryor fashion, he refused to do the dubbing himself, so others had to imitate his voice for the clean edits of his films. One such movie that needed to be toned down for TV was 1987’s Critical Condition , in which Pryor plays a con artist who fakes being crazy to avoid going to prison. Videos by VICE As a result, Pryor’s character is sent to a hospital for evaluation, where he’s mistaken for a doctor.…