Vasiliy Kirochka

Please check out the latest implementation using VRF2: https://github.com/smartcontractkit/full-blockchain-solidity-course-py/discussions/1791

Hello @vedmukherjee15 @JayAlwaysCodes This is "normal", the explanation is simple. When you use `[-1]` you are referring to the last instance of that deployed contract, but it has it's limitations....

Hello @Kehjih This might happen to several reasons, please check you check the correct package versions on your `brownie-config.yaml` and check for any indentation error. This problem is more likely...

Please make a pr with this enhancement to the docs, and I will merge it :D

Can you make a pr for this please?

You are right. A video is missing between lesson 19 and lesson 20, working to solve this issue now @gopalchandak-dev