Wed May 14 16:18:28
~
$ mkvirtualenv -p /usr/local/bin/python3.2 py32
Running virtualenv with interpreter /usr/local/bin/python3.2
New python executable in py32/bin/python
Please make sure you remove any previous custom paths from your /Users/sxxxx/.pydistutils.cfg file.
Installing setuptools, pip...done.
(py32)
Wed May 14 16:18:44
~
$ pip install pyflakes
Downloading/unpacking pyflakes
  Downloading pyflakes-0.8.1-py2.py3-none-any.whl
Installing collected packages: pyflakes
Successfully installed pyflakes
Cleaning up...
(py32)
Wed May 14 16:18:48
~
$ cat - > foo.py
def add(x:int, y:int) -> int:
    return x + y
(py32)
Wed May 14 16:18:57
~
$ pyflakes foo.py