Try delivering json directly

lnbits/extensions/copilot/lnurl.py

@@ -71,12 +71,4 @@ async def lnurl_callback(cp_id):
         extra={"tag": "copilot", "comment": comment},
     )
 
-    resp = LnurlPayActionResponse(
-        pr=payment_request,
-        success_action=None,
-        routes=[],
-    )
-    print(payment_request)
-    print(resp)
-
-    return jsonify(resp.dict())
+    return jsonify({"pr": payment_request, "success_action": None, "routes": [], "disposable": []})

lnbits/extensions/copilot/templates/copilot/compose.html

@@ -197,10 +197,12 @@
           }
           if (res[1] == 'confetti') {
             document.getElementById('animations').style.width = '100%'
+            document.getElementById('animations').style.height = '100%'
             document.getElementById('animations').src =
               '/copilot/static/confetti.gif'
             setTimeout(function () {
               document.getElementById('animations').src = ''
+              document.getElementById('animations').style.height = ''
             }, 5000)
           }
           if (res[1] == 'martijn') {