fixed ishigami example

examples/ishigami/example_ishigami.py

@@ -106,6 +106,7 @@ if __name__ == "__main__":
     ExpDesign = ExpDesigns(Inputs)
 
     # One-shot (normal) or Sequential Adaptive (sequential) Design
+    ExpDesign.method = 'normal'
     ExpDesign.n_init_samples = 50
 
     # Sampling methods
@@ -184,7 +185,7 @@ if __name__ == "__main__":
     PostPCE.check_accuracy(n_samples=3000)
 
     # Plot the evolution of the KLD,BME, and Modified LOOCV error
-    if MetaModelOpts.ExpDesign.method == 'sequential':
+    if ExpDesign.method == 'sequential':
         PostPCE.plot_seq_design_diagnostics()
 
     # Plot the sobol indices