human
Solve the following python programming problem given the following code:
def _push_cm_exit(self, cm, cm_exit) : 
    'Helper to correctly register callbacks to __exit__ methods' 
    def _exit_wrapper(* exc_details) : 
        return cm_exit (cm, * exc_details) 
_exit_wrapper.__self__ = cm 
    self.push (cm) 

    
    

    Fix the buggy line: self.push (cm)
assistant
#Here is Python program to fix the buggy line: self.

self.push (_exit_wrapper)