no need to change this

Author: chris-langfield

src/aspire/source/simulation.py

@@ -83,7 +83,7 @@ def __init__(
         self.unique_filters = unique_filters
 
         # Create filter indices and fill the metadata based on unique filters
-        if self.unique_filters:
+        if unique_filters:
             if filter_indices is None:
                 filter_indices = randi(len(unique_filters), n, seed=seed) - 1
             self._populate_ctf_metadata(filter_indices)