printme.local only text no png

main.py

@@ -130,23 +130,19 @@ def order():
         print("[DEBUG] Pretix returned no JSON")
         return jsonify({"error": "Pretix returned no JSON", "status_code": resp.status_code, "text": resp.text}), 502
 
-
     if "positions" in resp_json and "item" in resp_json["positions"][0] and isinstance(resp_json["positions"][0]["item"], list):
         if isinstance(resp_json["positions"][0]["item"][0], str):
             print("[DEBUG] Not enough quota available")
             return "Essen ist bereits alle", 418
 
-
     try:
         secret = resp_json["positions"][0]["secret"]
         print(f"[DEBUG] Secret: {secret}")
     except (KeyError, IndexError):
         return jsonify({"error": "Secret not found in Pretix response", "resp_json": resp_json}), 500
 
-    qr_bytes = generate_qr(secret)
     meal_times = get_meal_times(meal_key)
 
-
     mail_body = MAIL_TEMPLATE.render(
         meal_name=meal_info["name"],
         meal_name_en=meal_info["name_en"],
@@ -154,18 +150,11 @@ def order():
         meal_times=meal_times
     )
 
-
     if email.endswith("@printme.local"):
         log_printed(email, meal_key)
-        response = app.response_class(
-            response=qr_bytes,
-            status=200,
-            mimetype='image/png'
-        )
-        response.headers["Content-Disposition"] = f"inline; filename=ticket.png"
-        return response
-
+        return secret, 200, {"Content-Type": "text/plain; charset=utf-8"}
 
+    qr_bytes = generate_qr(secret)
     send_email(email, "Dein Engelessen / Your Angel Meal", mail_body, qr_bytes, "ticket.png")
 
     return "Token gesendet", 201