<s> from flask . ext . restful import reqparse <EOL> class SignupLoginMixin ( object ) : <EOL> req_parser = reqparse . RequestParser ( ) <EOL> req_parser . add_argument ( '<STR_LIT:email>' , type = str , required = True ) <EOL> req_parser . add_argument ( '<STR_LIT:password>' , type = str , required = True ) </s>
