Running a simulation in OpenMM

An error occurred while executing the following cell: ------------------ from simtk import unit import simtk.openmm as mm from simtk.openmm import app ------------------ --------------------------------------------------------------------------- ModuleNotFoundError Traceback (most recent call last) /build/ipykernel_1317/402877449.py in  ----> 1 from simtk import unit  2 import simtk.openmm as mm  3 from simtk.openmm import app ModuleNotFoundError: No module named 'simtk' ModuleNotFoundError: No module named 'simtk'

(simulation-with-openmm.ipynb; simulation-with-openmm_eval.ipynb; simulation-with-openmm.py)