diff --git a/rhodecode/subscribers.py b/rhodecode/subscribers.py
--- a/rhodecode/subscribers.py
+++ b/rhodecode/subscribers.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2020 RhodeCode GmbH
 #
@@ -30,7 +29,6 @@ import subprocess
 
 
 from dateutil.parser import parse
-from pyramid.threadlocal import get_current_request
 from pyramid.interfaces import IRoutesMapper
 from pyramid.settings import asbool
 from pyramid.path import AssetResolver
@@ -38,6 +36,7 @@ from threading import Thread
 
 from rhodecode.config.jsroutes import generate_jsroutes_content
 from rhodecode.lib.base import get_auth_user
+from rhodecode.lib.celerylib.loader import set_celery_conf
 
 import rhodecode
 
@@ -50,6 +49,7 @@ def add_renderer_globals(event):
 
     # TODO: When executed in pyramid view context the request is not available
     # in the event. Find a better solution to get the request.
+    from pyramid.threadlocal import get_current_request
     request = event['request'] or get_current_request()
 
     # Add Pyramid translation as '_' to context
@@ -70,7 +70,6 @@ def set_user_lang(event):
 
 
 def update_celery_conf(event):
-    from rhodecode.lib.celerylib.loader import set_celery_conf
     log.debug('Setting celery config from new request')
     set_celery_conf(request=event.request, registry=event.request.registry)
 
@@ -79,6 +78,7 @@ def add_request_user_context(event):
     """
     Adds auth user into request context
     """
+
     request = event.request
     # access req_id as soon as possible
     req_id = request.req_id
@@ -307,7 +307,7 @@ def write_js_routes_if_enabled(event):
             static_path, 'js', 'rhodecode', 'routes.js')
 
         try:
-            with io.open(jsroutes_file_path, 'w', encoding='utf-8') as f:
+            with open(jsroutes_file_path, 'w', encoding='utf-8') as f:
                 f.write(jsroutes_file_content)
         except Exception:
             log.exception('Failed to write routes.js into %s', jsroutes_file_path)