human
Solve the following python programming problem given the following code:
def test_get_registered(self) : 
    @ begin.subcommand 
    def function() : 
        pass 
self.assertIs (begin.subcommands.COLLECTORS [None].get ('function'), self) 

    
    

    Fix the buggy line: self.assertIs (begin.subcommands.COLLECTORS [None].get ('function'), self)
assistant
#Here is Python code to fix the buggy line: self.

self.assertIs (begin.subcommands.COLLECTORS [None].get ('function'), def function()