Auto indent for completion of a method is incorrect

[rchiodo]

Using the test folder here:
https://github.com/microsoft/pylance-release/tree/main/testing/single

Open the completions.py.
Complete the method as shown below:

Expected behavior:
It works like VS code does and indents correctly.

Actual behavior:
The indentation is incorrect.

[StellaHuang95]

Comparing between PTVS and VSCode, both are sending same "newText": "method(self, a) -> int:\n return super().method(a)" in completionItem/resolve request, but textDocument/didChange is sending different text (with vs without indentation), so looks like VS client should be handling the indentation here.