added all returns to yield in bot_comms

app.py

@@ -240,7 +240,7 @@ async def bot_comms(message, history):
 
     if message["text"] == "check cuda":
         logger.debug("Checking CUDA availability.")
-        return check_cuda_availability()
+        yield check_cuda_availability()
         
     buffer = ""
     gpt_outputs = []