Merge pull request zencoder#7 from issackelly/patch-1

remove variable assignment in exception that isn't 2.5 compatible

Author: schworer

zencoder/core.py

@@ -129,7 +129,7 @@ def process(self, http_response, content):
 
             return response
 
-        except ValueError as e:
+        except ValueError:
             raise ZencoderResponseError(http_response, content)
 
 class Zencoder(object):