def test_tabs(self):
    'Test tabs functionality'
    text = '\t\tHello'
    expected = '\t\t'
    got = get_leading_whitespace(text)
    assert (expected == got)
Test tabs functionality
def test_tabs(self):
    
    text = '\t\tHello'
    expected = '\t\t'
    got = get_leading_whitespace(text)
    assert (expected == got)