Since 15011a8e1694d09a74094c5361a588bf586458f6 `python-shell-interpreter` is used. Sadly, the [OS check](https://github.com/gregsexton/ob-ipython/commit/15011a8e1694d09a74094c5361a588bf586458f6#diff-86fbc8f8f6172edf41f086b6fd9430b9R148) prevents that from happening on Windows systems.
