Update sample_metadata.py

Solving the linting issue

Author: jonbrenas

malariagen_data/anoph/sample_metadata.py

@@ -920,9 +920,7 @@ def _prep_sample_selection_cache_params(
             # integer indices instead.
             df_samples = self.sample_metadata(sample_sets=sample_sets)
             sample_query_options = sample_query_options or {}
-            loc_samples = (
-                df_samples.eval(sample_query, **sample_query_options).values
-            )
+            loc_samples = df_samples.eval(sample_query, **sample_query_options).values
             sample_indices = np.nonzero(loc_samples)[0].tolist()
 
         return sample_sets, sample_indices