- python=3
 - matplotlib=2.2.3
 - scipy=1.2.0
 - hdf5=1.10.4
 - h5py=2.9.0
 - ipython=6.5.0
 - ipykernel=4.9.0
 - jupyter=1.0.0
 - twisted=18.9.0
 - lxml=4.3.0
 - sphinx=1.8.4
 - cython=0.29.4
 - pytest=4.2.0
 - mako=1.0.7
 - pyinstaller=3.3.1
 - pyopencl=2018.2.2
 - testpath=0.3.1
 - pip:
   - pytools==2019.1
   - periodictable==1.5.0
   - bumps==0.7.11
   - xhtml2pdf==0.2.3
   - qt5reactor==0.5
   - tinycc==1.1