human
Solve the following python programming problem given the following code:
def test_groupdisposable_remove() : 
    disp1 = [False] 
    disp2 = [False] 
    def action1() : 
        disp1 [0] = True 
d1 = Disposable (action1) 
    def action2() : 
        disp2 [0] = True 
d2 = Disposable (disp1) 
    g = CompositeDisposable (d1, d2) 
    assert (g.length == 2) 
    assert g.contains (d1) 
    assert g.contains (d2) 
    assert g.remove (d1) 
    assert (g.length == 1) 
    assert (not g.contains (d1)) 
    assert g.contains (d2) 
    assert disp1 [0] 
    assert g.remove (d2) 
    assert (not g.contains (d1)) 
    assert (not g.contains (d2)) 
    assert disp2 [0] 
    disp3 = [False] 
    def action3() : 
        disp3 [0] = True 
d3 = Disposable (action3) 
    assert (not g.remove (d3)) 
    assert (not disp3 [0]) 

    
    

    Fix the buggy line: d2 = Disposable (disp1)
assistant
#Here is Python code to fix the buggy line: d2 = Disposable (disp1)
.

d2 = Disposable (def action2()