From b42a9c51126fe6480c425e4f6f7ebd72c5a89eab Mon Sep 17 00:00:00 2001
From: Daniel Hahler <git@thequod.de>
Date: Mon, 30 Oct 2017 14:31:03 +0100
Subject: [PATCH] Django: register_handlers: fix detection of Celery

"djcelery" as an app does not exist anymore.

This patch checks if Celery's signals module can be imported instead.
---
 opbeat/contrib/django/models.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/opbeat/contrib/django/models.py b/opbeat/contrib/django/models.py
index 5a001dbf..67eaa24a 100644
--- a/opbeat/contrib/django/models.py
+++ b/opbeat/contrib/django/models.py
@@ -207,7 +207,11 @@ def register_handlers():
     got_request_exception.connect(opbeat_exception_handler)
 
     # If Celery is installed, register a signal handler
-    if 'djcelery' in django_settings.INSTALLED_APPS:
+    try:
+        from celery import signals  # noqa: F401
+    except ImportError:
+        pass
+    else:
         from opbeat.contrib.celery import register_signal
 
         try: