def make_null_toolchain(toolchain):
    
    return SelectiveUnimplementer(toolchain,
                                  set(["build_extension",
                                       "build_object",
                                       "link_extension"]))
generated source for method historicalData
dataset/ETHPy150Open bryancatanzaro/copperhead/copperhead/runtime/null_toolchain.py/make_null_toolchain--crossover with--dataset/ETHPy150Open CarterBain/Medici/ib/ext/EWrapperMsgGenerator.py/EWrapperMsgGenerator.historicalData