diff --git a/lnbits/extensions/cashu/core/b_dhke.py b/lnbits/extensions/cashu/core/b_dhke.py
index 8855481cf..ff0bc5157 100644
--- a/lnbits/extensions/cashu/core/b_dhke.py
+++ b/lnbits/extensions/cashu/core/b_dhke.py
@@ -30,17 +30,17 @@ import hashlib
 from secp256k1 import PrivateKey, PublicKey
 
 
-def hash_to_curve(message: bytes): 
-    """Generates a point from the message hash and checks if the point lies on the curve. 
-    If it does not, it tries computing again a new x coordinate from the hash of the coordinate.""" 
-    point = None 
-    msg_to_hash = message 
-    while point is None: 
-        try: 
-            _hash = hashlib.sha256(msg_to_hash).digest() 
-            point = PublicKey(b"\x02" + _hash, raw=True) 
-        except: 
-            msg_to_hash = _hash 
+def hash_to_curve(message: bytes):
+    """Generates a point from the message hash and checks if the point lies on the curve.
+    If it does not, it tries computing again a new x coordinate from the hash of the coordinate."""
+    point = None
+    msg_to_hash = message
+    while point is None:
+        try:
+            _hash = hashlib.sha256(msg_to_hash).digest()
+            point = PublicKey(b"\x02" + _hash, raw=True)
+        except:
+            msg_to_hash = _hash
     return point
 
 
diff --git a/lnbits/extensions/cashu/mint_helper.py b/lnbits/extensions/cashu/mint_helper.py
index 4db929463..8e7e22751 100644
--- a/lnbits/extensions/cashu/mint_helper.py
+++ b/lnbits/extensions/cashu/mint_helper.py
@@ -1,5 +1,5 @@
-import hashlib
 import base64
+import hashlib
 from typing import List, Set
 
 from .core.b_dhke import verify
@@ -41,13 +41,11 @@ async def verify_proof(master_prvkey: str, proofs_used: Set[str], proof: Proof):
     ]  # Get the correct key to check against
     C = PublicKey(bytes.fromhex(proof.C), raw=True)
     secret = base64.standard_b64decode(proof.secret)
-    print('### secret', secret)
+    print("### secret", secret)
     validMintSig = verify(secret_key, C, secret)
     if validMintSig != True:
         raise Exception(f"tokens not valid. Secret: {proof.secret}")
 
-    
-
 
 def verify_split_amount(amount: int):
     """Split amount like output amount can't be negative or too big."""
diff --git a/lnbits/extensions/cashu/templates/cashu/wallet.html b/lnbits/extensions/cashu/templates/cashu/wallet.html
index af12182b5..f64a19b72 100644
--- a/lnbits/extensions/cashu/templates/cashu/wallet.html
+++ b/lnbits/extensions/cashu/templates/cashu/wallet.html
@@ -1089,7 +1089,7 @@ page_container %}
               payload
             )
 
-            newTokens.promises  = data.snd;
+            newTokens.promises = data.snd
             // console.log('split data', JSON.stringify(data.snd))
             // for (let i =0 ;i < newTokens.length; i++) {
             //   Object.assign(newTokens[i], promises)