But I suspect that the @reexport macro does not reexport the deprecated names, so since ReversePropagation only depends on ChainRules it breaks. We are thinking about whether we should change that (https://github.com/JuliaDiff/ChainRules.jl/issues/415)
We deprecated the old names in ChainRulesCore: https://github.com/JuliaDiff/ChainRulesCore.jl/pull/353
But I suspect that the @reexport macro does not reexport the deprecated names, so since ReversePropagation only depends on ChainRules it breaks. We are thinking about whether we should change that (https://github.com/JuliaDiff/ChainRules.jl/issues/415)
Anyway, here's the fix