| geomet>=0.1,<0.3 | |
| six >=1.9 | |
| futures <=2.2.0 | |
| # Futures is not required for Python 3, but it works up through 2.2.0 (after which it introduced breaking syntax). | |
| # This is left here to make sure install -r works with any runtime. When installing via setup.py, futures is omitted | |
| # for Python 3, in favor of the standard library implementation. | |
| # see PYTHON-393 |