def _open(self, name, mode="rb"):
"""Opens the given file."""
file = super(GzipFixS3BotoStorageMixin, self)._open(name, mode)
if file.key.content_encoding == "gzip":
file = GzipFile(mode=mode, compresslevel=9, fileobj=file)
file_size = len(file.read())
file.seek(0)
file = File(file, name=name)
file.size = file_size
return file
