Update message_handler.py

ros2/src/robobin/robobin/helpers/message_handler.py

@@ -144,7 +144,7 @@ class MessageHandler:
             """Handles the REQMAP command."""
             # Relative path to the JSON file
             working_dir = os.getcwd()
-            graph_file_path =  os.path.abspath(os.path.join(working_dir,"src", "robobin", "robobin", "graphs", "graph.json"))
+            graph_file_path =  os.path.abspath(os.path.join(working_dir,"src", "robobin", "robobin", "graphs", "graph_pt2.json"))
 
             try:
                 # Load the graph JSON file