Update app.py

app.py

@@ -12,7 +12,7 @@ import hashlib
 import os
 #from helpers.mongodbconnection import provideClient
 from fastapi.concurrency import run_in_threadpool
-
+import pybase64
 
 
 
@@ -230,7 +230,7 @@ async def broadcast_transaction(payload: TransactionPayload):
     """
     try:
         
-        raw_tx = base64.b64decode(payload.signed_hex)
+        raw_tx = pybase64.b64decode(payload.signed_hex)
 
         response = solana_client.send_raw_transaction(raw_tx,opts=TxOpts(skip_preflight=False))