#!/usr/bin/env python
from wsgiref.simple_server import make_server


class SimpleServer:
	def __init__(self, port=8080):
		self.port = port

	def raise_an_error(self, environ, start_response):
		# Bad!
		return "not a bytes instance"

	def start_form(self):
		httpd = make_server('', self.port, self.raise_an_error)
		print("http://localhost:%i/" % (self.port))
		httpd.serve_forever()


if __name__ == "__main__":
	server = SimpleServer()
	server.start_form()