Refactor optimize merge (#116)

* refactor: optimized merge detection

* bug: removed subroutine

* removed test tqdm

* bug: close zip writer

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Co-authored-by: anna-grim <[email protected]>

Author: anna-grim

src/segmentation_skeleton_metrics/skeleton_metric.py

@@ -510,6 +510,7 @@ def detect_merges(self):
                     kdtree = KDTree(graph.voxels)
                     self.count_merges(key, kdtree)
                 pbar.update(1)
+            self.merge_writer.close()
 
         # Adjust metrics (if applicable)
         if self.preexisting_merges: