Replace int(np.max(label_image)) with len(predictionlist) in generate…

…_cluster_image function

* int(np.max(label_image)) could lead to an index out of bounds error, in case where a single timeframe does not contain all labels of the complete timelapse

napari_clusters_plotter/_utilities.py

@@ -330,7 +330,7 @@ def generate_cluster_image(label_image, label_list, predictionlist):
 
     # label_list can be removed from method.
     predictionlist_new = np.array(predictionlist) + 1
-    plist = np.zeros(int(np.max(label_image)) + 1, dtype=np.uint32)
+    plist = np.zeros(len(predictionlist) + 1, dtype=np.uint32)
     plist[label_list] = predictionlist_new
 
     predictionlist_new = plist