Update app.py

app.py

@@ -4,7 +4,8 @@ import datetime
 import hashlib
 import json
 import os
-import requests 
+import requests
+import blockchain as 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/'
@@ -67,7 +68,7 @@ class Balance_sheet:
         }
         self.pending_transactions.append(transaction)
 
-class Blockchain:
+class Blockchain1:
 
     def __init__(self,load=None,create=None):