Update app.py

app.py

@@ -5,7 +5,7 @@ import hashlib
 import json
 import os
 import requests
-import blockchain as Blockchain
+from blockchain import Blockchain
 from huggingface_hub import (create_repo,get_full_repo_name,upload_file,CommitOperationAdd,HfApi)
 
 main_chain='https://huggingface.co/datasets/Omnibus/blockchain-sim/raw/main/'
@@ -330,7 +330,7 @@ def get_chain(repo_name=None,chain_name=None,token=None):
         r = requests.get(f'{main_chain}{chain_name}') 
         #create_chain(load=r.text)
         global blockchain
-        blockchain = Blockchain.Blockchain(load=r.text)
+        blockchain = Blockchain(load=r.text)
         #return "New Chain Created",display_chain()