concurrent.futures in Python 2.7
For those of you stuck in the land of Python 2.7 due to bureaucracy, having to support legacy codebase, lack of appropriate packages in Python 3.* for the tasks at hand, or whatever other reason, fear not! The futures module is still accessible through the use of pip.
pip install futuresThe preceding command will give you, essentially, everything that the Python 3.2+ version of the concurrent.futures module has to offer without having to migrate your codebase.