diff --git a/lnbits/core/views/api.py b/lnbits/core/views/api.py
index 39d1f107..bd198307 100644
--- a/lnbits/core/views/api.py
+++ b/lnbits/core/views/api.py
@@ -17,7 +17,13 @@ from ..tasks import sse_listeners
 @api_check_wallet_key("invoice")
 async def api_wallet():
     return (
-        jsonify({"id": g.wallet.id, "name": g.wallet.name, "balance": g.wallet.balance_msat,}),
+        jsonify(
+            {
+                "id": g.wallet.id,
+                "name": g.wallet.name,
+                "balance": g.wallet.balance_msat,
+            }
+        ),
         HTTPStatus.OK,
     )
 
diff --git a/lnbits/extensions/lndhub/views_api.py b/lnbits/extensions/lndhub/views_api.py
index c413c461..acfacfbc 100644
--- a/lnbits/extensions/lndhub/views_api.py
+++ b/lnbits/extensions/lndhub/views_api.py
@@ -28,8 +28,8 @@ async def lndhub_getinfo():
 )
 async def lndhub_auth():
     token = (
-        g.data["token"]
-        if "token" in g.data and g.data["token"]
+        g.data["refresh_token"]
+        if "refresh_token" in g.data and g.data["refresh_token"]
         else urlsafe_b64encode((g.data["login"] + ":" + g.data["password"]).encode("utf-8")).decode("ascii")
     )
     return jsonify({"refresh_token": token, "access_token": token})
diff --git a/lnbits/wallets/lndrest.py b/lnbits/wallets/lndrest.py
index d05728ac..7ff8e8c2 100644
--- a/lnbits/wallets/lndrest.py
+++ b/lnbits/wallets/lndrest.py
@@ -37,7 +37,12 @@ class LndRestWallet(Wallet):
         else:
             data["memo"] = memo or ""
 
-        r = httpx.post(url=f"{self.endpoint}/v1/invoices", headers=self.auth_invoice, verify=self.auth_cert, json=data,)
+        r = httpx.post(
+            url=f"{self.endpoint}/v1/invoices",
+            headers=self.auth_invoice,
+            verify=self.auth_cert,
+            json=data,
+        )
 
         if r.is_error:
             error_message = r.text
@@ -78,7 +83,9 @@ class LndRestWallet(Wallet):
     def get_invoice_status(self, checking_id: str) -> PaymentStatus:
         checking_id = checking_id.replace("_", "/")
         r = httpx.get(
-            url=f"{self.endpoint}/v1/invoice/{checking_id}", headers=self.auth_invoice, verify=self.auth_cert,
+            url=f"{self.endpoint}/v1/invoice/{checking_id}",
+            headers=self.auth_invoice,
+            verify=self.auth_cert,
         )
 
         if r.is_error or not r.json().get("settled"):