def is_derived(self):
        return self.has_builder() or self.side_effect
Handle macro-navigation keys
dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/__init__.py/Node.is_derived--crossover with--dataset/ETHPy150Open AnyMesh/anyMesh-Python/example/urwid/treetools.py/TreeListBox.unhandled_input