Update app.py

app.py

@@ -471,7 +471,11 @@ def create_index():
             for k in ea['keywords']:
                 print(k)
                 print(ea['file_name'])
-                ind[0][k]=ea['file_name']
+                if ind[k]:
+                    
+                    ind[k]=ind[k].append(ea['file_name'])
+                else:
+                    ind.append({k:[ea['file_name']]})
         except Exception as e:
             print (e)