def fresh_var(self, t, prefix = "temp"):
    assert prefix is not None
    assert t is not None, prefix % "Type required for new variable %s"
    prefix = names.original(prefix)
    ssa_id = names.fresh(prefix)
    self.type_env[ssa_id] = t
    return Var(ssa_id, type = t)
dataset/ETHPy150Open iskandr/parakeet/parakeet/builder/core_builder.py/CoreBuilder.fresh_var/swapped operands of `%`