Fixed errors

app/ticket/views.py

@@ -0,0 +1,14 @@
+from flask import jsonify
+from app.ticket import ticket
+from app import db
+from app.classes.delivery import Delivery_Delivery
+
+
+@ticket.route("/<int:ticket_id>", methods=["GET"])
+def get_ticket_printer_letter(ticket_id):
+
+  
+  
+    return jsonify({"ok": True,
+               
+                    }), 200