Update app.py

app.py

@@ -63,7 +63,7 @@ def get_top_k_matches(np_array,k,sentences):
    for idx in heapsort(np_array,k):
      try:
         i=len(sentences[idx])-1                  #based on the index find the sentence- reason for storing idx but not sentence
-     catch:
+     except:
        print(idx)
      count=1
      number=0