Python: exclude CaptureNodes

Author: yoff

python/ql/test/experimental/dataflow/typetracking/tracked.ql

@@ -27,6 +27,8 @@ module TrackedTest implements TestSig {
       // We do not wish to annotate scope entry definitions,
       // as they do not appear in the source code.
       not e.asCfgNode() = any(ScopeEntryDefinition def).getDefiningNode() and
+      // ...same for CaptureNodes
+      not e instanceof DataFlow::CaptureNode and
       tag = "tracked" and
       location = e.getLocation() and
       value = t.getAttr() and