fix conda support and keep API compatibility

[Trinkle23897]

conda-forge/tianshou-feedstock#13

Add nni test in CI pipeline, only runs in GPU_test

[ultmaster]

Thanks. Glad to see an integration test of nni!

I'll see if I can make this more elegant and neat, in case some changes of our internal APIs break tianshou's test in future.

[codecov-commenter]

Codecov Report

Merging #536 (4930772) into master (97df511) will decrease coverage by 0.27%.
The diff coverage is 41.66%.

@@            Coverage Diff             @@
##           master     #536      +/-   ##
==========================================
- Coverage   94.03%   93.75%   -0.28%     
==========================================
  Files          63       63              
  Lines        4306     4322      +16     
==========================================
+ Hits         4049     4052       +3     
- Misses        257      270      +13     

Flag	Coverage Δ
unittests	93.75% <41.66%> (-0.28%)	⬇️

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

Impacted Files	Coverage Δ
tianshou/env/worker/base.py	62.96% <28.57%> (-11.46%)	⬇️
tianshou/env/__init__.py	66.66% <50.00%> (-33.34%)	⬇️
tianshou/policy/multiagent/mapolicy.py	83.90% <50.00%> (-1.81%)	⬇️
tianshou/__init__.py	100.00% <100.00%> (ø)
tianshou/env/venvs.py	91.71% <100.00%> (-0.06%)	⬇️

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[Trinkle23897]

Let me know if nni's current CI pipeline works or not with 0.4.6.post1 version via pip install.

[ultmaster]

Let me know if nni's current CI pipeline works or not with 0.4.6.post1 version via pip install.

The problem is resolved. Thank you so much.

[Trinkle23897]

The nni test fails again: https://github.com/thu-ml/tianshou/actions/runs/3125052390/jobs/5069025377
cc @ultmaster

[ultmaster]

The nni test fails again: https://github.com/thu-ml/tianshou/actions/runs/3125052390/jobs/5069025377 cc @ultmaster

Fixed in #750.