0(1) element: null
1(2) element: PyAssignmentStatement
2(3) WRITE ACCESS: s
3(4) element: PyIfStatement
4(5) READ ACCESS: isinstance
5(6) READ ACCESS: s
6(7,12) READ ACCESS: basestring
7(8) element: PyStatementList. Condition: (isinstance(s, basestring)):true
8(9) ASSERTTYPE ACCESS: s
9(10) element: PyAssignmentStatement
10(11) READ ACCESS: s
11(17) WRITE ACCESS: s2
12(13) element: PyStatementList. Condition: (isinstance(s, basestring)):false
13(14) ASSERTTYPE ACCESS: s
14(15) element: PyAssignmentStatement
15(16) READ ACCESS: s
16(17) WRITE ACCESS: x
17() element: null