Bug fix to benchmarking script

examples/benchmark.py

@@ -92,7 +92,7 @@ def runOneTest(testName, options):
     
     # Run the simulation.
     
-    integ = mm.LangevinIntegrator(300*unit.kelvin, 91*(1/unit.picoseconds), dt*unit.femtoseconds)
+    integ = mm.LangevinIntegrator(300*unit.kelvin, 91*(1/unit.picoseconds), dt)
     integ.setConstraintTolerance(1e-5)
     if len(properties) > 0:
         context = mm.Context(system, integ, platform, properties)
@@ -144,4 +144,4 @@ if options.test is None:
         except Exception as ex:
             print('Test failed: %s' % ex.message)
 else:
-    runOneTest(options.test, options)
\ No newline at end of file
+    runOneTest(options.test, options)