Fix indentation when function contains type hints

[DonJayamanne]

Fixes #1461

This pull request:

• Has a title summarizes what is changing
• Includes a news entry file (remember to thank yourself!)

[codecov]

Codecov Report

Merging #1814 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1814      +/-   ##
==========================================
- Coverage   74.09%   74.06%   -0.03%     
==========================================
  Files         282      282              
  Lines       13089    13089              
  Branches     2335     2335              
==========================================
- Hits         9698     9695       -3     
- Misses       3259     3264       +5     
+ Partials      132      130       -2

Impacted Files	Coverage Δ
src/client/extension.ts	96.96% <ø> (ø)	⬆️
src/client/debugger/mainV2.ts	77.91% <0%> (-2.82%)	⬇️
src/client/debugger/Main.ts	52.34% <0%> (+0.49%)	⬆️
...rc/client/debugger/PythonProcessCallbackHandler.ts	54.27% <0%> (+0.65%)	⬆️

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