fix pyright lnbits/wallets

Co-authored-by: dni ⚡ <office@dnilabs.com>

lnbits/wallets/lnbits.py

@@ -21,12 +21,13 @@ class LNbitsWallet(Wallet):
 
     def __init__(self):
         self.endpoint = settings.lnbits_endpoint
-
         key = (
             settings.lnbits_key
             or settings.lnbits_admin_key
             or settings.lnbits_invoice_key
         )
+        if not self.endpoint or not key:
+            raise Exception("cannot initialize lnbits wallet")
         self.key = {"X-Api-Key": key}
 
     async def status(self) -> StatusResponse:
@@ -60,7 +61,7 @@ class LNbitsWallet(Wallet):
         unhashed_description: Optional[bytes] = None,
         **kwargs,
     ) -> InvoiceResponse:
-        data: Dict = {"out": False, "amount": amount}
+        data: Dict = {"out": False, "amount": amount, "memo": memo or ""}
         if kwargs.get("expiry"):
             data["expiry"] = kwargs["expiry"]
         if description_hash:
@@ -68,8 +69,6 @@ class LNbitsWallet(Wallet):
         if unhashed_description:
             data["unhashed_description"] = unhashed_description.hex()
 
-        data["memo"] = memo or ""
-
         async with httpx.AsyncClient() as client:
             r = await client.post(
                 url=f"{self.endpoint}/api/v1/payments", headers=self.key, json=data