human
Solve the following python programming problem given the following code:
def build_event_callback(self, num, name, event) : 
    def event_callback(num) : 
        data = { 
            'num' : num, 
            'name' : name, 
            'event' : event, 
} 
        self.socketio.emit ('pin:event', data) 
        print (data) 
return name 

    
    

    Fix the buggy line: return name
assistant
#Here is Python code to fix the buggy line: return name
.

return def event_callback(