Hello,
It seems that @pythnetwork/pyth-sdk-solidityNPM package became almost empty in the latest version v4.3.0.
Please compare these two:
- https://www.npmjs.com/package/@pythnetwork/pyth-sdk-solidity/v/4.2.0?activeTab=code
- https://www.npmjs.com/package/@pythnetwork/pyth-sdk-solidity/v/4.3.0?activeTab=code
To follow your document, I believe we can use v4.2.0 for now.