Update docs to reflect methods that raise errors in v5 instead of returning None

[kclowes]

• Version: 5.x

What was wrong?

The docs weren't updated when we started returning a TransactionNotFound or BlockNotFound error instead of None for RPC methods that don't find a transaction.

How can it be fixed?

Docs need to be checked and updated for the following methods:
https://web3py.readthedocs.io/en/stable/v5_migration.html#json-rpc-updates

[ashish10677]

Hi. I want to try to contribute to this issue. Can you please assign it to me?

[kclowes]

Thanks @ashish10677! Let me know if you have questions!

[ashish10677]

@kclowes I had a very silly doubt. In the documentation, these methods: https://web3py.readthedocs.io/en/stable/v5_migration.html#json-rpc-updates , only one of them has a return type of None mentioned. Do you want me to include the return type of TransactionNotFound or BlockNotFound in all?

[kclowes]

Yep, let's go ahead and include the return type for all of them.

[ashish10677]

@kclowes I have raised a pull request. I am very new to open source contributions. Please guide me if there are any mistakes that I can fix. I will be happy to do it.

[adamjsawicki]

@kclowes Can this be closed because of #1527?

[kclowes]

@swixx Yes! Thanks!