Merge pull request #11 from jnschmid/epistemic_only_fix

Bug fix for cases with purely epistemic uncertainty

Author: jnschmid

uqpce/pce/pbox.py

@@ -110,6 +110,8 @@ def _generate_aleatory_samples(self):
         Creates resample values for aleatory variables
         """
         if self.aleat_var_count == 0:
+            # Still create the attribute with 0 columns for consistency
+            self.aleat_resample = np.zeros([self.aleat_samps, 0])
             return
 
         if self.rank == 0 and self.verbose: