def rfile(self):
        self.__class__ = File
        self._morph()
        self.clear()
        return File.rfile(self)
We're a generic Entry, but the caller is actually looking for
dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/FS.py/Entry.rfile