diff --git a/chi/_predictive_models.py b/chi/_predictive_models.py
index d8043eea..f2fe3803 100644
--- a/chi/_predictive_models.py
+++ b/chi/_predictive_models.py
@@ -265,7 +265,7 @@ def sample(
         else:
             try:
                 ids = self._posterior.individual
-            except AttributeError:
+            except AttributeError:  # pragma: no cover
                 # Posterior only contains information about one individual.
                 # Hack to make this work
                 individual = 'some value'