Add hint to re-initialize Sim
@@ -460,7 +460,7 @@ class Sim(cvb.BaseSim):
# Set the time and if we have reached the end of the simulation, then do nothing
if self.complete:
- raise TimestepsExhaustedError('Simulation already complete')
+ raise TimestepsExhaustedError('Simulation already complete (call `initialize()` to re-run this Sim)')
t = self.t
