Update app.py

app.py

@@ -62,6 +62,7 @@ def get_index(index_file_path):
         index_size = os.path.getsize(index_file_path)
         print(f"Size of {index_file_path}: {index_size} bytes") #let me know how big json file is.
         #debug - this is where an error is occuring loading the index file. It rejects everythign I give it.
+        print("Llama index version:", llama_index.__version__)
         loaded_index = GPTSimpleVectorIndex.load_from_disk(index_file_path)
         return loaded_index
     else: