Welcome!
A couple of questions. I assume you are Windows. Did you have a previous version of PyMC installed where you were not getting these errors? What happens if you add chains=1 to the call to pm.sample()?
Welcome!
A couple of questions. I assume you are Windows. Did you have a previous version of PyMC installed where you were not getting these errors? What happens if you add chains=1 to the call to pm.sample()?