update closest samples code

closest_sample.py

@@ -34,7 +34,7 @@ def pca_distance(pca,sample,embedding,top_k):
     distances = np.linalg.norm(all - s, axis=1)
     sorted_indices = np.argsort(distances)
     filtered_indices = sorted_indices[sorted_indices<=2852] # exclude general fossils, keep florissant only.
-    top_indices = np.concatenate([filtered_indices[:2], filtered_indices[3:top_k+1]])
+    top_indices = filtered_indices[:top_k+1] #np.concatenate([filtered_indices[:2], filtered_indices[3:top_k+1]])
     return top_indices
 
 def return_paths(argsorted,files):