human
Solve the following python programming problem given the following code:
def hasCallbacks(self, service, nodeIdentifier) : 
    def interaction(cursor) : 
        return bool (self._countCallbacks (cursor, service, nodeIdentifier)) 
return self.dbpool.runInteraction (service) 

    
    

    Fix the buggy line: return self.dbpool.runInteraction (service)
assistant
#Here is Python program to fix the buggy line: return self.

return self.dbpool.runInteraction (def interaction()