ImportError: cannot import name Task

```
➜ sudo python setup.py install
Traceback (most recent call last):
  File "setup.py", line 6, in <module>
    from tarantool_queue import __version__
  File "./tools/tarantool/tarantool-queue-python/tarantool_queue/__init__.py", line 3, in <module>
    from tarantool_queue import Task, Tube, Queue
ImportError: cannot import name Task
```


```
➜ python --version
Python 3.3.0

➜ pip --version
pip 1.4.1 from /opt/local/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/site-packages (python 3.3)
```