Fixed #7454 -- Removed unnecessary import in newforms/fields.py. Thanks, lorien

            return value

        if self.verify_exists:

            import urllib2

            from django.conf import settings

            headers = {

                "Accept": "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5",

                "Accept-Language": "en-us,en;q=0.5",