Matthias Flotho

You are right, still I think this could be done in a more elegant way. For example the `sc.tl.leiden(adata,neighbors_key = "some_key")` stores the computed values with the name of the...

There is also a small typo in the [`tl.tsne`](https://scanpy.readthedocs.io/en/stable/generated/scanpy.tl.tsne.html) documentation. I think the return type should be `X_tsne np.ndarray (adata.obsm dtype float)` right now it states that the array is...