The current code does not compile

[jarekdrabek]

If I compile with version 0.6.6 it

contracts/test/LinkToken.sol:2:1: ParserError: Source file requires different compiler version (current compiler is 0.6.6+commit.6c089d02.Darwin.appleclang - note that nightly builds are considered to be strictly less than the released version pragma solidity ^0.4.11; ^----------------------^

[PatrickAlphaC]

This is just a linting issue with your solidity extension. If:

brownie compile

errors, that's an issue.

[jarekdrabek]

That was the out put of brownie compile indeed

[PatrickAlphaC]

Could you add your steps here of exactly how you got that error? Maybe start from a fresh git clone.