Add obsp to adata.raw.to_adata()

[gokceneraslan]

No description provided.

[ivirshup]

Could this get a test? Does this method even have a test yet?

Don't worry about travis, just rebase on master. I've pinned pandas below 1.1 so those tests won't fail.

[ivirshup]

/azurepipelines run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov]

Codecov Report

Merging #404 (7eca24c) into master (0ad2800) will increase coverage by 3.15%.
The diff coverage is n/a.

❗ Current head 7eca24c differs from pull request most recent head 434e494. Consider uploading reports for the commit 434e494 to get more accurate results

@@            Coverage Diff             @@
##           master     #404      +/-   ##
==========================================
+ Coverage   83.10%   86.25%   +3.15%     
==========================================
  Files          34       25       -9     
  Lines        4416     3464     -952     
==========================================
- Hits         3670     2988     -682     
+ Misses        746      476     -270     

Impacted Files	Coverage Δ
anndata/_core/raw.py	83.58% <ø> (ø)
anndata/_io/read.py	69.84% <0.00%> (-8.37%)	⬇️
anndata/_io/write.py	73.56% <0.00%> (-3.71%)	⬇️
anndata/_io/utils.py	70.79% <0.00%> (-2.11%)	⬇️
anndata/_core/file_backing.py	87.50% <0.00%> (-2.06%)	⬇️
anndata/utils.py	82.35% <0.00%> (-1.58%)	⬇️
anndata/_core/sparse_dataset.py	90.35% <0.00%> (-0.83%)	⬇️
anndata/tests/helpers.py	94.73% <0.00%> (-0.70%)	⬇️
anndata/_core/merge.py	92.52% <0.00%> (-0.64%)	⬇️
anndata/_core/anndata.py	82.79% <0.00%> (-0.62%)	⬇️
... and 19 more