[feat] Add stripe payments (#3184)

lnbits/wallets/opennode.py

@@ -4,6 +4,8 @@ from typing import AsyncGenerator, Optional
 import httpx
 from loguru import logger
 
+from lnbits.exceptions import UnsupportedError
+from lnbits.helpers import normalize_endpoint
 from lnbits.settings import settings
 
 from .base import (
@@ -12,7 +14,6 @@ from .base import (
     PaymentResponse,
     PaymentStatus,
     StatusResponse,
-    UnsupportedError,
     Wallet,
 )
 
@@ -38,7 +39,7 @@ class OpenNodeWallet(Wallet):
             )
         self.key = key
 
-        self.endpoint = self.normalize_endpoint(settings.opennode_api_endpoint)
+        self.endpoint = normalize_endpoint(settings.opennode_api_endpoint)
 
         headers = {
             "Authorization": self.key,