DOC update n_jobs description in DBSCAN
@@ -83,10 +83,11 @@ def dbscan(X, eps=0.5, min_samples=5, metric='minkowski', metric_params=None,
Note that weights are absolute, and default to 1.
n_jobs : int or None, optional (default=None)
- The number of parallel jobs to run for neighbors search.
- ``None`` means 1 unless in a :obj:`joblib.parallel_backend` context.
- ``-1`` means using all processors. See :term:`Glossary <n_jobs>`
- for more details.
+ The number of parallel jobs to run for neighbors search. ``None`` means
+ 1 unless in a :obj:`joblib.parallel_backend` context. ``-1`` means
+ using all processors. See :term:`Glossary <n_jobs>` for more details.
+ If precomputed distance are used, parallel execution is not available
+ and thus n_jobs will have no effect.
Returns
-------
