core(sdk): DNM - more cleanups of new py client

[raubitsj]

Description

• Fixes WB-NNNNN
• Fixes #NNNN

What does the PR do? Include a concise description of the PR contents.

• I updated CHANGELOG.md, or it's not applicable

Testing

How was this PR tested?

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 168 lines in your changes missing coverage. Please review.

Project coverage is 69.53%. Comparing base (1bcf50b) to head (fb95b03).
Report is 153 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7534      +/-   ##
==========================================
- Coverage   74.98%   69.53%   -5.46%     
==========================================
  Files         523      524       +1     
  Lines       54864    54992     +128     
==========================================
- Hits        41139    38236    -2903     
- Misses      13319    16505    +3186     
+ Partials      406      251     -155     

Flag	Coverage Δ
func	40.27% <ø> (-3.08%)	⬇️
system	63.04% <ø> (+0.12%)	⬆️
unit	53.14% <0.00%> (-2.31%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
core/pkg/gowandb/session.go	0.00% <0.00%> (ø)
core/lang/core/runkeeper.go	0.00% <0.00%> (ø)
core/lang/core/wandbcore.go	0.00% <0.00%> (ø)
core/cmd/wandb-core/main.go	0.00% <0.00%> (-67.93%)	⬇️
core/pkg/gowandb/opts/sessionopts/sessionopts.go	0.00% <0.00%> (ø)
core/internal/launcher/launcher.go	0.00% <0.00%> (ø)
core/internal/processlib/processlib_linux.go	0.00% <0.00%> (ø)
core/pkg/gowandb/run.go	0.00% <0.00%> (ø)
core/pkg/server/server.go	0.00% <0.00%> (-60.87%)	⬇️
core/lang/core/interface_pb.go	0.00% <0.00%> (ø)
... and 1 more

... and 85 files with indirect coverage changes