Update Proxies.md

[dancewithtruth]

Edit Python initialization call doc to be the same func name / signature as the mock implementation contract example.

[martriay]

Thanks for doing this! 🎉

I know it's a small PR, but please follow our contributing guidelines even for small ones like this PR. For example, it's hard for us to organize our reviewing and releasing process without an associated issue, or maybe there's implementation details that need discussion (maybe not for this one), or someone else is already working on this, or the PR is simply not wanted for some reason.

For this PR it's ok, but please be mindful on next ones!

[dancewithtruth]

Thanks for doing this! 🎉

I know it's a small PR, but please follow our contributing guidelines even for small ones like this PR. For example, it's hard for us to organize our reviewing and releasing process without an associated issue, or maybe there's implementation details that need discussion (maybe not for this one), or someone else is already working on this, or the PR is simply not wanted for some reason.

For this PR it's ok, but please be mindful on next ones!

Apologies, will do that next time. Thanks for merging!