Fab decorator issue

fabfile.py

from fabric.api import *
import test

@task
def noop():
  return

output

chaines@Sharpimac:fabric-test                                           15:57:20
$ fab --list
Available commands:

    noop
    test.inner
    test.test_runsonce
    test.test_task
chaines@Sharpimac:fabric-test                                           15:57:33
$ fab -V
Fabric 1.1.0
chaines@Sharpimac:fabric-test                                           16:08:21
$ sudo pip install fabric==1.2
Downloading/unpacking fabric==1.2
  Downloading Fabric-1.2.0.tar.gz (154Kb): 154Kb downloaded
  Running setup.py egg_info for package fabric
    warning: no previously-included files matching '*' found under directory 'docs/_build'
    warning: no files found matching 'fabfile.py'
Requirement already satisfied (use --upgrade to upgrade): pycrypto>=1.9 in /Library/Python/2.6/site-packages (from fabric==1.2)
Requirement already satisfied (use --upgrade to upgrade): paramiko>=1.7.6 in /Library/Python/2.6/site-packages (from fabric==1.2)
Installing collected packages: fabric
  Found existing installation: Fabric 1.1.0
    Uninstalling Fabric:
      Successfully uninstalled Fabric
  Running setup.py install for fabric
    warning: no previously-included files matching '*' found under directory 'docs/_build'
    warning: no files found matching 'fabfile.py'
    Installing fab script to /usr/local/bin
Successfully installed fabric
Cleaning up...
chaines@Sharpimac:fabric-test                                           16:08:42
$ fab --list
Available commands:

    noop
    test.inner
    test.test_runsonce
    test.test_task
chaines@Sharpimac:fabric-test                                           16:08:47
$ fab -V
Fabric 1.2.0

test.py

from fabric.api import *

@task
def test_task():
  return

@task
@runs_once
def test_runsonce():
  return

@runs_once
@task
def test_runsonce_first():
  return

@with_settings(host_string=None)
@task
def test_withsettings_first():
  return

@task
@with_settings(host_string=None)
def test_withsettings_second():
  return