#!/usr/bin/env python

import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
import tornado.escape
import tornado.template

from tornado.options import define, options

define("port", default=8888, help="run on the given port", type=int)


class MainHandler(tornado.web.RequestHandler):
    def get(self):
    self.write("Hello, world")

class ProjectHandler(tornado.web.RequestHandler):
    def get(self, project_id):
        self.write("You requested the project " + project_id)

def main():
    tornado.options.parse_command_line()
    application = tornado.web.Application([
        (r"/", MainHandler),
        (r"/(\w+)", ProjectHandler),
    ])
    http_server = tornado.httpserver.HTTPServer(application)
    http_server.listen(options.port)
    tornado.ioloop.IOLoop.instance().start()

if __name__ == "__main__":
    main()

#!/usr/bin/env python

import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
import tornado.escape
import tornado.template

from tornado.options import define, options

define("port", default=8888, help="run on the given port", type=int)


class MainHandler(tornado.web.RequestHandler):
    def get(self):
        self.write("Hello, world")

class ProjectHandler(tornado.web.RequestHandler):
    def get(self, project_id):
        self.write("You requested the project " + project_id)

def main():
    tornado.options.parse_command_line()
    application = tornado.web.Application([
        (r"/", MainHandler),
        (r"/(\w+)", ProjectHandler),
    ])
    http_server = tornado.httpserver.HTTPServer(application)
    http_server.listen(options.port)
    tornado.ioloop.IOLoop.instance().start()

if __name__ == "__main__":
    main()

Indent properly, get helloworld working
Indent properly, get helloworld working
