fix error that 'ser' was referenced before assignment

space-concordia-robotics · Jan 20, 2024 · 897202a · 897202a
1 parent 9f84c8d
commit 897202a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/robot/rospackages/src/mcu_control_python/mcu_control_python/CommsNode.py b/robot/rospackages/src/mcu_control_python/mcu_control_python/CommsNode.py
@@ -149,6 +149,8 @@ def send_queued_commands():
     device_range = range(4)
 
 def receive_message():
+    global ser
+
     for device in device_range:
         if not local_mode:
             if device == SCIENCE_SELECTED:
@@ -195,6 +197,8 @@ def receive_message():
                 print(e)
 
 def send_command(command_name, args, deviceToSendTo):
+    global ser
+
     command = get_command(command_name, deviceToSendTo)
     if ser is not None and command is not None:
         commandID = command[1]