Merge pull request #931 from aphexcx/patch-1

Update celery.rst

docs/patterns/celery.rst

@@ -60,12 +60,12 @@ Flask::
 
     from flask import Flask
 
-    app = Flask(__name__)
+    flask_app = Flask(__name__)
-    app.config.update(
+    flask_app.config.update(
         CELERY_BROKER_URL='redis://localhost:6379',
         CELERY_RESULT_BACKEND='redis://localhost:6379'
     )
-    celery = make_celery(app)
+    celery = make_celery(flask_app)
 
 
     @celery.task()