Shouldn't the argument to volexp be `t`? https://github.com/crflynn/stochastic/blob/90ffba84523751dd205e17c50c84be9904c13330/stochastic/processes/diffusion/diffusion.py#L122
Shouldn't the argument to volexp be
t?stochastic/stochastic/processes/diffusion/diffusion.py
Line 122 in 90ffba8