Fix gunicorn service to reference gunicorn3.

fear_tracker/views.py

@@ -10,12 +10,13 @@ from asgiref.sync import async_to_sync
 from channels.generic.http import AsyncHttpConsumer
 from channels.layers import get_channel_layer
 
+from django.conf import settings
 from django.db import transaction
 from django.http import HttpResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.views.decorators.http import require_safe, require_http_methods,\
                                          require_POST
-from django.urls import reverse
+from django.urls import reverse, set_script_prefix
 
 from .forms import NewGameForm, JoinGameForm, PlayerFormSet
 from .models import Game, Player, Fear
@@ -387,6 +388,12 @@ class StatusLongPollConsumer(AsyncHttpConsumer):
                     })
 
     async def fear_tracker_invalidate_status(self, event):
+        # get script_prefix for reverse()
+        script_prefix = self.scope.get("root_path", "") or ""
+        if settings.FORCE_SCRIPT_NAME:
+            script_prefix = settings.FORCE_SCRIPT_NAME
+        set_script_prefix(script_prefix)
+
         no_hash_status = reverse('status',
                                  kwargs={'access_code': self.access_code})
         await self.send_response(302, b'', headers=[