IOError, Permission Denied using Amazon s3 w/ django-storage?

I encountered an error where whenever I go to upload a file, it tells me that a folder doesn't have enough permission. What kind of permission do we give these folders? I use Apache server. Do I change the whole project folder to group www-data? Then set chmod to 775 to the project folder and all files in the project recursively? Here is my traceback error log: http://dpaste.org/5KUMf/

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