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lnbits/core/services.py

@@ -95,7 +95,7 @@ async def pay_invoice(
         if max_sat and invoice.amount_msat > max_sat * 1000:
             raise ValueError("Amount in invoice is too high.")
 
-        wallet = await get_wallet(wallet_id, conn=conn)   
+        wallet = await get_wallet(wallet_id, conn=conn)
 
         # put all parameters that don't change here
         PaymentKwargs = TypedDict(
@@ -141,15 +141,19 @@ async def pay_invoice(
 
         # do the balance check if internal payment
         if internal_checking_id:
-            wallet = await get_wallet(wallet_id, conn=conn)   
+            wallet = await get_wallet(wallet_id, conn=conn)
             assert wallet
             if wallet.balance_msat < 0:
                 raise PermissionError("Insufficient balance.")
 
         # do the balance check if external payment
         else:
-            if invoice.amount_msat > wallet.balance_msat - (wallet.balance_msat / 100 * 2):
-                raise PermissionError("LNbits requires you keep at least 2% reserve to cover potential routing fees.")  
+            if invoice.amount_msat > wallet.balance_msat - (
+                wallet.balance_msat / 100 * 2
+            ):
+                raise PermissionError(
+                    "LNbits requires you keep at least 2% reserve to cover potential routing fees."
+                )
 
     if internal_checking_id:
         # mark the invoice from the other side as not pending anymore
@@ -326,8 +330,7 @@ async def check_invoice_status(
     if not payment.pending:
         return status
     if payment.is_out and status.failed:
-        print(
-            f" - deleting outgoing failed payment {payment.checking_id}: {status}")
+        print(f" - deleting outgoing failed payment {payment.checking_id}: {status}")
         await payment.delete()
     elif not status.pending:
         print(