CodeQL library for Python
codeql/python-all 1.0.3-dev (changelog, source)

Member predicate Configuration::isAdditionalFlowStep

Holds if data may flow from node1 to node2 in addition to the normal data-flow steps. This step is only applicable in state1 and updates the flow state to state2.

predicate isAdditionalFlowStep(Node node1, FlowState state1, Node node2, FlowState state2)