Whoopi Goldberg in “Sister Act.” Suzanne Hanover/Touchstone/Kobal/Shutterstock Whoopi Goldberg, break out your best habit. The long-awaited script for Sister Act 3 is done, according to Tanya Trotter, who appeared in Sister Act 2: Back in the Habit and is also one-half of the country duo The War and Treaty. “Well, I can’t say [whether or…
