0(1) element: null
1(2) element: PyTryExceptStatement
2(3,6) element: PyTryPart
3(4,6) element: PyRaiseStatement
4(5,6) READ ACCESS: Exception
5(6,13) element: PyCallExpression: Exception
6(7) element: PyExceptPart
7(8) element: PyAssignmentStatement
8(9) READ ACCESS: Exception
9(10) element: PyCallExpression: Exception
10(11) WRITE ACCESS: foo
11(12) element: PyRaiseStatement
12(13) READ ACCESS: foo
13() element: null