1 files changed, 4 insertions, 3 deletions
diff --git a/mediagoblin/processing/__init__.py b/mediagoblin/processing/__init__.py
index f3a85940..ae3652cf 100644
--- a/mediagoblin/processing/__init__.py
+++ b/mediagoblin/processing/__init__.py
@@ -181,9 +181,10 @@ class BaseProcessingFail(Exception):
         return u"%s:%s" % (
             self.__class__.__module__, self.__class__.__name__)
 
-    def __init__(self, **metadata):
-        self.metadata = metadata or {}
-
+    def __init__(self, *args, **kwargs):
+        # next line is REQUIRED to have pickable exceptions if you want
+        # to be able to pass in custom arguments (see celery docs)
+        Exception.__init__(self, *args, **metadata)
 
 class BadMediaFail(BaseProcessingFail):
     """