[BayesInference][MCMC] update script style.

BayesValidRox/BayesInference/MCMC.py

@@ -78,7 +78,7 @@ class MCMC():
                 initsamples = priorDist.sample(self.nwalkers).T
             except:
                 # when aPCE selected - gaussian kernel distribution
-                inputSamples = PCEModel.ExpDesign.Input_distributions.T
+                inputSamples = PCEModel.ExpDesign.raw_data.T
                 random_indices = np.random.choice(len(inputSamples),
                                                   size=self.nwalkers,
                                                   replace=False)