Limited try/except block

oemer/rhythm_extraction.py

@@ -39,17 +39,18 @@ def scan_dot(
         # touch the nearby note.
         try:
             cur_scan_line = note_id_map[int(start_y):int(bbox[3]), int(right_bound)]
-            ids = set(np.unique(cur_scan_line))
-            if -1 in ids:
-                ids.remove(-1)
-            if len(ids) > 0:
-                break
-            right_bound += 1
-            if right_bound >= bbox[2] + unit_size:
-                break
         except IndexError as e:
             print(e)
             break
+
+        ids = set(np.unique(cur_scan_line))
+        if -1 in ids:
+            ids.remove(-1)
+        if len(ids) > 0:
+            break
+        right_bound += 1
+        if right_bound >= bbox[2] + unit_size:
+            break
 
     left_bound = bbox[2] + round(unit_size*0.4)
     dot_region = symbols[int(start_y):int(bbox[3]), int(left_bound):int(right_bound)]