Update skeleton_metric.py

Author: anna-grim

src/segmentation_skeleton_metrics/skeleton_metric.py

@@ -532,7 +532,7 @@ def count_merges(self, key, kdtree):
         # Iterate over fragments that intersect with GT skeleton
         for label in tqdm(self.get_node_labels(key), desc="Merge Search"):
             nodes = self.graphs[key].nodes_with_label(label)
-            if len(nodes) > 40:
+            if len(nodes) > 50:
                 for label in self.label_handler.get_class(label):
                     if label in self.fragment_ids:
                         self.is_fragment_merge(key, label, kdtree)