Fix some buttons having priority

backend/backend/arbiter.py

@@ -2,7 +2,6 @@ import asyncio
 from datetime import datetime, timedelta
 from dataclasses import dataclass
 import random
-from socket import socket
 from typing import Callable, Awaitable
 
 from fastapi import WebSocket, WebSocketDisconnect
@@ -177,15 +176,13 @@ async def _(get_input: InputGetter, set_output: OutputSetter):
                 # cursed python syntax
                 vote["none"] += 1
 
-        max_choice = None
-        max_votes = -1
-        for (choice, votes) in vote.items():
-            if votes > max_votes:
-                max_votes = votes
-                max_choice = choice
+        max_vote = max(vote.values())
+        choice = random.choice(
+            [key for (key, value) in vote.items() if value == max_vote]
+        )
 
         output = {button: False for button in Button}
-        if max_choice != "none":
-            output[max_choice] = True
+        if choice != "none":
+            output[choice] = True
 
         set_output(output)