def change_dependency(self, old, new):
        for index, dep in enumerate(self.dependencies):
            if dep == old:
                Process.back_tick(
                    ['install_name_tool', '-change', dep, new, self.path], 
                    os.getcwd()
                )
                self.dependencies[index] = new
                return True

        return False
 def add_rpath(self, path):
     Process.back_tick(
         ['install_name_tool', '-add_rpath', path, self.path], 
         os.getcwd()
     )
     return True