Stochastic volatility model estimation with MCMC doesnt terminate

Hi there,

this is what I got by running in colab:

INFO (theano.gof.compilelock): Refreshing lock /root/.theano/compiledir_Linux-4.19.104±x86_64-with-Ubuntu-18.04-bionic-x86_64-3.6.9-64/lock_dir/lock

This is what I got by running in spyder: