Resolve "Serverside rendering of preview images"

Closes #66 (closed)

uhepp_org/uhepp_vault/utils.py

 
 from django.conf import settings
 from django.contrib.auth.models import User, Group
-from redis import Redis
+import redis
 
 def enqueue_preview_job(uuid):
     """Enter a preview image creation job into the redis queue"""
@@ -11,8 +11,8 @@ def enqueue_preview_job(uuid):
     queue = settings.REDIS_PREVIEW_QUEUE
 
     try:
-        redis = Redis(host=host, username=username, password=password)
-        redis.lpush(queue, str(uuid))
-    except redis.exceptions.ResponseError as e:
+        redcon = redis.Redis(host=host, username=username, password=password)
+        redcon.lpush(queue, str(uuid))
+    except redis.exceptions.RedisError as e:
         print(e)
         pass