Improve seq greedy arror handling

baybe/recommenders/pure/bayesian/sequential_greedy.py

@@ -77,10 +77,12 @@ def _recommend_discrete(
                 self._botorch_acqf, batch_size, candidates_tensor
             )
         except AttributeError as ex:
-            raise NoMCAcquisitionFunctionError(
-                f"The '{self.__class__.__name__}' only works with Monte Carlo "
-                f"acquisition functions for batch sizes > 1."
-            ) from ex
+            if batch_size > 1 and not self.acquisition_function.is_mc:
+                raise NoMCAcquisitionFunctionError(
+                    f"The '{self.__class__.__name__}' only works with Monte Carlo "
+                    f"acquisition functions for batch sizes > 1."
+                ) from ex
+            raise ex
 
         # retrieve the index of the points from the input dataframe
         # IMPROVE: The merging procedure is conceptually similar to what