[tox]
envlist=py33,py34

[testenv]
deps=
  nose
commands=
  nosetests []

[testenv:pymongo]
deps=
  nose
  pymongo>=3
commands=
  nosetests []

[tox]
envlist=py{33,34}-{pymongo,networkx,mpi4py}

[testenv]
deps=
  nose
  coverage
  mpi: mpi4py
  pymongo: pymongo>=3
  networkx: networkx>=1.1.10
commands=
  nosetests --with-coverage --cover-package=signac []

Move pymongo, networkx and mpi4py into seperate test environments.
Move pymongo, networkx and mpi4py into seperate test environments.
