def dependency_ran(self, test):
        """Returns an error string if any of the dependencies did not run"""
        for d in (self.test_name(i) for i in dependencies[test]):
            if d not in self.ok_results:
                return "Required test '{}' did not run (does it exist?)".format(d)
        return None
def dependency_ran ( self , test ) : for d in ( self . test_name ( i ) for i in dependencies [ test ] ) : if d not in self . ok_results : return "Required test '{}' did not run (does it exist?)" . format ( d ) return None
Returns an error string if any of the dependencies did not run