Bugfix: AsyncWeb3.solidity_keccak no longer throws

[kclowes]

What was wrong?

AsyncWeb3.solidity_keccak was raising TypeError: 'cytoolz.functoolz.curry' object is not iterable. The root was the normalize_values function on the BaseWeb3 class.

Closes #3006

How was it fixed?

Took the normalize_values function from the Web3 class and moved it up to the BaseWeb3 class so that both AsyncWeb3 and Web3 use the same function now. Also added a test to

Todo:

• Add entry to the release notes

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[fselmo]

lgtm 👍🏼

It looks like a test_async_solidity_keccak_ens() passes when I add it in locally... but should we add tests for that too? Although I think we could benefit from an AsyncWeb3ModuleTest class altogether, which would be beyond the scope of this PR. Maybe we go that route instead?

[kclowes]

It looks like a test_async_solidity_keccak_ens() passes when I add it in locally... but should we add tests for that too?

Good call. I added a parametrization for Web3 and AsyncWeb3 for the ENS test, and will make an issue (or just a quick PR) to add a AsyncWeb3ModuleTest.

[pacrob]

lgtm!