style: tiny style fixes

src/control_backend/agents/bdi/bdi_core.py

@@ -1,8 +1,6 @@
-import asyncio
 import logging
 
 import agentspeak
-import spade_bdi.bdi
 from spade.behaviour import OneShotBehaviour
 from spade.message import Message
 from spade_bdi.bdi import BDIAgent

src/control_backend/agents/bdi/behaviours/belief_setter.py

@@ -60,7 +60,7 @@ class BeliefSetterBehaviour(CyclicBehaviour):
         for belief, arguments in beliefs.items():
             self.agent.bdi.set_belief(belief, *arguments)
 
-            # Special case: if there's a new user message, we need to flag that we haven't responded yet
+            # Special case: if there's a new user message, flag that we haven't responded yet
             if belief == "user_said":
                 try:
                     self.agent.bdi.remove_belief("responded")