remove redundant recursion

adrinjalali · adrinjalali · commit e414965e2a55 · 2018-09-03T17:08:47.000+02:00
diff --git a/sklearn/cluster/optics_.py b/sklearn/cluster/optics_.py
@@ -685,10 +685,6 @@ def _cluster_tree(node, parent_node, local_maxima_points,
     if reachability_plot[s] < significant_min:
         node.assign_split_point(-1)
         # if split_point is not significant, ignore this split and continue
-        _cluster_tree(node, parent_node, local_maxima_points,
-                      reachability_plot, reachability_ordering,
-                      min_cluster_size, maxima_ratio, rejection_ratio,
-                      similarity_threshold, significant_min)
         return
 
     # only check a certain ratio of points in the child
