Gracefully fails if theano or cython are not installed.
Gracefully fails if theano or cython are not installed.

jcrist/pydy,jcrist/pydy,jcrist/pydy,jcrist/pydy,Shekharrajak/pydy,Shekharrajak/pydy,jcrist/pydy,Shekharrajak/pydy,jcrist/pydy,jcrist/pydy,Shekharrajak/pydy,oliverlee/pydy,oliverlee/pydy,oliverlee/pydy,skidzo/pydy,skidzo/pydy,skidzo/pydy,skidzo/pydy