No need to check or require a symmetrical sparse matrix if the kNN s precomputed

[ili3p]

I changed the test for symmetrical sparse matrix to be performed only if kNN computation is needed.

[pep8speaks]

Hello @ili3p! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file umap/umap_.py:

Line 2489:82: W291 trailing whitespace
Line 2490:31: W291 trailing whitespace

Comment last updated at 2024-10-29 14:05:17 UTC