fix db connect

lnbits/core/services.py

@@ -85,6 +85,7 @@ async def pay_invoice(
     description: str = "",
     conn: Optional[Connection] = None,
 ) -> str:
+    async with (db.reuse_conn(conn) if conn else db.connect()) as conn:
         temp_id = f"temp_{urlsafe_short_hash()}"
         internal_id = f"internal_{urlsafe_short_hash()}"
 
@@ -146,6 +147,7 @@ async def pay_invoice(
         # mark the invoice from the other side as not pending anymore
         # so the other side only has access to his new money when we are sure
         # the payer has enough to deduct from
+        async with db.connect() as conn:
             await update_payment_status(
                 checking_id=internal_checking_id, pending=False, conn=conn
             )
@@ -159,7 +161,7 @@ async def pay_invoice(
         # actually pay the external invoice
         payment: PaymentResponse = await WALLET.pay_invoice(payment_request)
         if payment.checking_id:
-            async with (db.reuse_conn(conn) if conn else db.connect()) as conn:
+            async with db.connect() as conn:
                 await create_payment(
                     checking_id=payment.checking_id,
                     fee=payment.fee_msat,
@@ -314,7 +316,8 @@ 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(