def object_dump(self, obj):
        """
        Dump a Python object on C stderr.  For debugging purposes.
        """
        fnty = ir.FunctionType(ir.VoidType(), [self.pyobj])
        fn = self._get_function(fnty, name="_PyObject_Dump")
        return self.builder.call(fn, (obj,))

        Dump a Python object on C stderr.  For debugging purposes.
        
numba/core/pythonapi.py