fix

examples/taylor_green/taylor_green.py

@@ -371,7 +371,7 @@ if __name__=='__main__':
             self._check_positive(args, 'plot_freq', strict=True, allow_none=False)
 
         def _setup_parameters(self, args):
-            super(TaylorGreenArgParser, self)._setup_parameters(*args)
+            super(TaylorGreenArgParser, self)._setup_parameters(args)
             if (args.ndim != 3):
                 msg='This example only works for 3D domains.'
                 self.error(msg)