Gunicorn launch error

gistfile1.txt

root@vps:/var/www/weldr.me/Pyzer# python pyzer.py
Bottle server starting up (using GunicornServer())...
Listening on http://0.0.0.0:9998/
Use Ctrl-C to quit.

2011-09-17 17:20:02 [9695] [INFO] Starting gunicorn 0.13.1
2011-09-17 17:20:02 [9695] [INFO] Listening at: http://127.0.0.1:8000 (9695)
2011-09-17 17:20:02 [9695] [INFO] Using worker: sync
2011-09-17 17:20:02 [9702] [INFO] Booting worker with pid: 9702
2011-09-17 17:20:02 [9702] [ERROR] Exception in worker process:
Traceback (most recent call last):
  File "/usr/local/lib/python2.6/dist-packages/gunicorn/arbiter.py", line 455, in spawn_worker
    worker.init_process()
  File "/usr/local/lib/python2.6/dist-packages/gunicorn/workers/base.py", line 100, in init_process
    self.wsgi = self.app.wsgi()
TypeError: wsgi() takes exactly 3 arguments (1 given)
2011-09-17 17:20:02 [9702] [INFO] Worker exiting (pid: 9702)
Traceback (most recent call last):
  File "pyzer.py", line 75, in <module>
    run(server='gunicorn', host='0.0.0.0', port=9998)
  File "/usr/local/lib/python2.6/dist-packages/bottle.py", line 2217, in run
    server.run(app)
  File "/usr/local/lib/python2.6/dist-packages/bottle.py", line 2081, in run
    arbiter.run()
  File "/usr/local/lib/python2.6/dist-packages/gunicorn/arbiter.py", line 159, in run
    self.manage_workers()
  File "/usr/local/lib/python2.6/dist-packages/gunicorn/arbiter.py", line 430, in manage_workers
    self.spawn_workers()
  File "/usr/local/lib/python2.6/dist-packages/gunicorn/arbiter.py", line 481, in spawn_workers
    self.spawn_worker()
  File "/usr/local/lib/python2.6/dist-packages/gunicorn/arbiter.py", line 444, in spawn_worker
    pid = os.fork()
  File "/usr/local/lib/python2.6/dist-packages/gunicorn/arbiter.py", line 201, in handle_chld
    self.reap_workers()
  File "/usr/local/lib/python2.6/dist-packages/gunicorn/arbiter.py", line 415, in reap_workers
    raise HaltServer(reason, self.WORKER_BOOT_ERROR)
gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3>