Fix filepath DummyReporter
@@ -2547,7 +2547,7 @@ class ExperimentBuilder(object):
phase.options['number_of_equilibration_iterations'] = n_equilibration_iterations
# Use a reporter that doesn't write anything to save time.
- phase.storage = DummyReporter(phase.storage.filepath)
+ phase.storage = DummyReporter(phase.storage)
# Create the thermodynamic state exactly as AlchemicalPhase would make it.
alchemical_phase = phase.initialize_alchemical_phase()
