def clean_bucket_name(self):
bucket_name = self.cleaned_data['<STR_LIT>']<EOL>if not bucket_name == self.get_bucket_name():<EOL><INDENT>raise forms.ValidationError('<STR_LIT>')<EOL><DEDENT>return bucket_name<EOL>
Validates that the bucket name in the provided data matches the
        bucket name from the storage backend.